Review Article

Effect of Preexisting Asthma on the Risk of ICU Admission, Intubation, and Death from COVID-19: A Systematic Review and Meta-Analysis

Table 3

Data on ICU admission, intubation, and death in patients with and without asthma in the studies.

S. no.StudyICU admission, n (%)Intubation, n (%)Death, n (%)
AsthmaNonasthmaAsthmaNonasthmaAsthmaNonasthma

1Chhiba et al. [15]NRNRNRNR8 (3.6)64 (4.9)
2Stephanie et al. [16]NRNR34 (21)231 (20)9 (6)101 (9)
3Song et al. [17]NRNR1 (4.6)141 (15.4)1 (4.6)148 (16.1)
4Mahdavinia et al. [18]NRNR23 (9.7)56 (8.3)2 (1.1)16 (3.0)
5Beurnier et al. [19]11 (30)33 (44)6 (16.2)15 (20)3 (8.1)11 (14.6)
6Doriane et al. [20]10 (17.5)78 (14.5)NRNR4 (7)83 (15.4)
7Calderon et al. [21]NRNRNRNR21(3.64)229 (3.99)
8Choi et al. [22]7 (3.2)208 (2.8)NRNR17 (7.8)210 (2.8)
9Bloom et al. [23]451 (24.1)1542 (21.7)269 (14.4)953 (13.4)NRNR
10Robinson et al. [24]NRNR15 (3)107 (4)7 (1)69 (3)
11Castilla et al. [25]23 (0.98)223 (0.67)NRNR28 (1.2)438 (1.3)
12Almazeedi et al. [26]18 (11.6)24 (2.5)NRNR6 (3.8)13 (1.3)
13Mather et al. [27]NRNR16 (18.2)165 (17.2)7 (8)157 (16.4)
14Lee et al. [28]27 (3.9)163 (2.4)19 (2.7)99 (1.5)44 (6.4)183 (2.7)
15Uribe et al. [29]47 (29.9)330 (41)17 (10.8)126 (15.6)17 (10.8)138 (17.1)
16Brinton et al. [30]NRNR2 (8.3)17 (5.2)0 (0)7 (2.8)
17Kipourou et al. [31]31 (13.2)284 (7.6)NRNR35 (14.9)341 (9)
18Schonfeld et al. [32]296 (2.3)5383 (2.7)NRNR396 (3.1)10517 (5.4)
19Rosenthal et al. [33]11 (10.5)57 (9.1)11 (10.5)33 (5.3)10 (9.5)51 (8.2)

NR: not reported.