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COVID-19 Insight Bulletins: ICU and Hospital Admissions Series 1

ICU and Hospital Admissions

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This chapter includes monthly profiles of those who contracted COVID-19 between July and November 2021 and were admitted to hospital and ICU. Figure 2.1 presents the number of such cases admitted to hospital between July and November by month. (Please Note: November data is provisional, cases with self-reported vaccination status = Unknown are likley to be revised as sufficient data becomes available to determine vaccination status).

	Self-reported vaccination = Yes	Self-reported vaccination = No	Self-reported vaccination = Unknown
July	234	248	80
August	614	427	150
September	604	368	112
October	973	350	166
November	768	300	420

Tables 2.1, 2.2 and 2.3 include analysis of all confirmed cases of COVID-19 who were admitted to hospital and ICU between July and November by month and self-reported vaccination status.

Table 2.1: Monthly Profile of New COVID-19 Cases who are Subsequently Hospitalised (self-reported vaccination status = Yes)

Table 2.1: Monthly Profile of New COVID-19 Cases who are Subsequently Hospitalised (self-reported vaccination status = Yes) 1^,2,3
	2021
Self Reported Vaccine Status	July	August	September	October	November	%'s by Patient Characteristics
Hospitalised						Yes
						%

Total	234	614	604	973	768	100

Gender
Female	111	290	294	461	375	48
Male	123	324	310	512	393	52
Not Specified	0	0	0	0	0	0

Age Group
0-24	22	42	25	27	23	4
25-44	53	81	73	95	95	12
45-64	50	136	136	223	229	24
65-79	57	170	197	371	292	35
80+	52	185	173	257	129	25
Not Specified	0	0	0	0	0	0

Country of Birth
Ireland	168	421	416	737	497	70
Not Ireland	21	25	41	39	29	5
Unspecified	45	168	147	197	242	25

Underlying Condition
Underlying medical condition other than COVID-19	104	279	279	453	175	40
No underlying medical condition other than COVID-19	106	255	243	416	416	45
Unknown	24	80	82	104	177	15

Median Age	63	69	70	72	67

of which Admitted to ICU
						%

Total	21	56	45	79	50	100

Gender
Female	7	21	14	32	24	39
Male	14	35	31	47	26	61
Not Specified	0	0	0	0	0	0

Age Group
0-24	..	0	0	0	0	..
25-44	6	..	..	6	..	8
45-64	8	20	16	23	27	37
65-79	6	28	24	44	19	48
80+	..	..	..	6	..	6
Not Specified	0	0	0	0	0	..

Country of Birth
Ireland	17	45	34	56	38	76
Not Ireland	..	10	..	..	..	9
Unspecified	..	..	..	..	..	15

Underlying Condition
Underlying medical condition other than COVID-19	17	52	44	77	42	92
No underlying medical condition other than COVID-19	..	..	..	..	8	..
Unknown	..	..	..	..	0	..

Median Age	53	66	68	66	63
¹Table includes data as of 07 December 2021 for events created on CIDR (Computerised Infectious Disease Reporting)
² '..' Indicates a cell number < 5 or a cell number < 5 can be identified
³ Data is defined by epidemiological date which is the earliest of onset date, date of diagnosis, laboratory specimen collection date, laboratory received date, laboratory reported date and event creation/notification date

Open in Excel: COVID-19 Hospital and ICU admissions Series 1 Table 2.1 (XLS 14KB)

Table 2.2: Monthly Profile of New COVID-19 Cases who are Subsequently Hospitalised (self-reported vaccination status = No)

Table 2.2: Monthly Profile of New COVID-19 Cases who are Subsequently Hospitalised (self-reported vaccination status = No) ^1,2,3
	2021
Self Reported Vaccine Status	July	August	September	October	November	%'s by Patient Characteristics
Hospitalised						No
						%

Total	248	427	368	350	300	100

Gender
Female	136	248	185	165	148	52
Male	112	179	183	184	152	48
Not Specified	0	0	0	..	0	0

Age Group
0-24	82	127	92	84	68	27
25-44	106	147	109	133	103	35
45-64	46	100	108	77	75	24
65-79	12	45	47	39	40	11
80+	..	..	12	17	14	3
Not Specified	..	..	0	0	0	0

Country of Birth
Ireland	152	281	219	196	160	60
Not Ireland	27	110	114	116	97	27
Unspecified	69	36	35	38	43	13

Underlying Condition
Underlying medical condition other than COVID-19	83	159	123	119	62	32
No underlying medical condition other than COVID-19	164	266	242	231	234	67
Unknown	..	..	..	0	..	1

Median Age	31	37	43	38	41

of which Admitted to ICU
						%

Total	40	86	67	75	59	100

Gender
Female	14	40	41	35	24	47
Male	26	46	26	40	35	53
Not Specified	0	0	0	0	0	0

Age Group
0-24	..	8	..	..	..	6
25-44	14	26	18	29	19	32
45-64	15	35	24	25	25	38
65-79	6	17	21	17	10	22
80+	..	0	..	..	..	2
Not Specified	0	0	0	0	0	0

Country of Birth
Ireland	18	41	31	35	21	45
Not Ireland	18	39	31	35	23	45
Unspecified	..	6	5	5	15	10

Underlying Condition
Underlying medical condition other than COVID-19	27	63	49	51	37	70
No underlying medical condition other than COVID-19	13	23	18	24	21	30
Unknown	0	0	0	0	..	0

Median Age	46	48	53	48	50
¹Table includes data as of 07 December 2021 for events created on CIDR (Computerised Infectious Disease Reporting)
² '..' Indicates a cell number < 5 or a cell number < 5 can be identified
³ Data is defined by epidemiological date which is the earliest of onset date, date of diagnosis, laboratory specimen collection date, laboratory received date, laboratory reported date and event creation/notification date

Open in Excel: COVID-19 Hospital and ICU admissions Series 1 Table 2.2 (XLS 14KB)

Table 2.3: Monthly Profile of New COVID-19 Cases who are Subsequently Hospitalised (self-reported vaccination status = Unknown)

Table 2.3: Monthly Profile of New COVID-19 Cases who are Subsequently Hospitalised (self-reported vaccination status = Unknown) ^1,2,3
	2021
Self Reported Vaccine Status	July	August	September	October	November	%'s by Patient Characteristics
Hospitalised						Unknown
						%

Total	80	150	112	166	420	100

Gender
Female	29	76	50	69	214	47
Male	51	74	62	97	206	53
Not Specified	0	0	0	0	0	0

Age Group
0-24	24	30	22	25	76	19
25-44	27	49	36	43	95	27
45-64	15	24	20	31	106	21
65-79	11	27	25	38	93	21
80+	..	19	..	29	50	12
Not Specified	..	0	..	0	0	0

Country of Birth						0
Ireland	17	15	15	21	41	12
Not Ireland	..	..	..	6	14	3
Unspecified	..	..	..	139	365	85

Underlying Condition
Underlying medical condition other than COVID-19	6	12	5	15	26	7
No underlying medical condition other than COVID-19	17	18	11	11	38	10
Unknown	57	120	96	140	356	83

Median Age	34	43	44	57	52

of which Admitted to ICU
						%

Total	..	..	0	8	21	100

Gender
Female	..	..	0	..	..	30
Male	0	0	0	..	17	70
Not Specified	..	..	0	0	..	0

Age Group
0-24	0	0	0	..	..	13
25-44	..	..	0	..	..	13
45-64	0	0	0	..	9	37
65-79	0	0	0	..	9	37
80+	0	0	0	0	0	0
Not Specified	..	..	0	0	0	0

Country of Birth
Ireland	0	0	0	5	12	57
Not Ireland	0	0	0	..	..	13
Unspecified	..	..	0	..	..	30

Underlying Condition
Underlying medical condition other than COVID-19	..	..	0	6	15	73
No underlying medical condition other than COVID-19	0	0	0	..	..	20
Unknown	..	..	0	..	..	7

Median Age	..	26	0	44	60
¹Table includes data as of 07 December 2021 for events created on CIDR (Computerised Infectious Disease Reporting)
² '..' Indicates a cell number < 5 or a cell number < 5 can be identified
³ Data is defined by epidemiological date which is the earliest of onset date, date of diagnosis, laboratory specimen collection date, laboratory received date, laboratory reported date and event creation/notification date

Open in Excel: COVID-19 Hospital and ICU admissions Series 1 Table 2.3 (XLS 14KB)

The average Hospitalisation Rate has been less than 30 people per 1,000 confirmed cases since April and this decrease is seen in all age groups. See Figure 2.2. The average ICU Admission Rate has been less than five people per 1,000 confirmed cases since April (Note: These figures may need to be adjusted if someone’s condition worsens as there is a time lag between onset of symptoms and hospitalisation. Also, please note that November rates are provisional). See Table 2.4.

	0-24 years	25-44 years	65-79 years	80 years and over
Jan	13	21	47	211
Feb	17	36	78	292
Mar	14	31	69	255
Apr	13	29	57	206
May	4	14	34	81
Jun	4	11	19	92
Jul	5	13	27	94
Aug	7	18	30	102
Sep	8	20	38	111
Oct	6	14	22	73
Nov	3	7	15	51

Table 2.4: COVID-19 Mortality, Hospitalisation and Intensive Care Unit (ICU) admission rates (per 1,000 confirmed cases) by Month

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Table 2.4: COVID-19 Mortality, Hospitalisation and Intensive Care Unit (ICU) admission rates (per 1,000 confirmed cases) by Month ^1,2
	Mortality Rate	Intensive Care Unit (ICU) Rate	Hospitalisation Rate	Hospitalisation Rate by age group
				0-24 years	25-44 years	45-64 years	65-79 years	80 years and over
2020
Mar	47	27	161	63	69	148	408	439
Apr	74	11	111	38	42	94	282	172
May	42	10	108	23	37	94	360	275
Jun	32	..	105	..	74	125	343	147
Jul	4	..	39	40	16	64	..	..
Aug	5	4	28	9	14	35	118	309
Sep	6	5	37	11	15	49	161	216
Oct	8	4	36	8	17	40	151	296
Nov	18	6	76	12	31	71	326	434
Dec	9	4	33	9	14	34	129	281
2021
Jan	24	5	58	13	21	47	211	294
Feb	16	6	71	17	36	78	292	375
Mar	7	5	54	14	31	69	255	478
Apr	4	5	39	13	29	57	206	477
May	1	3	22	4	14	34	81	332
Jun	1	2	18	4	11	19	92	287
Jul	1	2	18	5	13	27	94	305
Aug	3	3	23	7	18	30	102	215
Sep	4	3	28	8	20	38	111	233
Oct	3	2	24	6	14	22	73	230
Nov*	1	1	12	4	7	15	51	218
All months	9	4	36	10	22	50	191	284
* latest month is provisional
¹ Table includes data as of 07 December 2021 for events created on CIDR (Computerised Infectious Disease Reporting) and is subject to revision
²Cases defined by epidemiological date which is the earliest of onset date, date of diagnosis, laboratory specimen collection date, laboratory received date, laboratory reported date and event creation/notification date