Table 3.

Multivariable analysis of risk factors for severe and critical COVID‐19

Outcomes	Odds ratio (95% CI)	P value
Severely ill
Age ≥ 60 vs age < 60	3.20 (1.01‐10.15)	.033*
Male vs female	1.49 (0.53‐4.18)	.452
RSI > 13 vs RSI = 0	11.14 (2.95‐42.09)	.000***
7 < RSI ≤ 13 vs RSI = 0	1.91 (0.42‐8.73)	.40
0 < RSI ≤ 7 vs RSI = 0	2.14 (0.31‐14.93)	.45
Critically ill
Age ≥ 60 vs age < 60	14.62 (1.17‐182.63)	.037*
Male vs female	2.28 (0.30‐17.24)	.425
RSI > 13 vs RSI = 0	19.61 (1.38‐277.99)	.028*
7 < RSI ≤ 13 vs RSI = 0	2.54 (0.128‐50.19)	.541
0 < RSI ≤ 7 vs RSI = 0	6.21 (0.30‐128.94)	.238

Abbreviations: COVID‐19, coronavirus disease 2019; RSI: Reflux symptom index.

^* P < .05

^*** P < .001.