Table 1.

Demographics and Baseline Characteristics of Critically Ill COVID-19 Pneumonia Patients

Variable	Total (n=59)	Survivors (n=18)	Non-Survivors (n=41)	P-value
Age (years)	67.4±11.3	61.0±13.5	70.2±9.0	0.014
40–50	6 (10.2%)	5 (27.8%)	1 (2.3%)
50–60	11 (18.6%)	4 (22.2%)	7 (17.1%)
60–70	16 (27.1%)	5 (27.8%)	11 (25.0%)
70–80	19(33.2%)	2 (11.1%)	17 (41.5%)
80–90	7 (11.9%)	2 (11.1%)	5 (11.4%)
>70	26 (44.1%)	4 (22.2%)	25 (61.0%)	0.006
Sex
Male	38 (64.4%)	12 (66.7%)	26 (63.4%)
Female	21 (35.6%)	6 (33.3%)	15 (36.6%)
M/F Ratio	1.81	2.00	1.73	0.810
Underlying diseases
Hypertension	31 (52.5%)	12 (66.7%)	19 (46.3%)	0.150
Chronic cardiac disease	13 (22.0%)	3 (16.7%)	10 (24.4%)	0.735
Diabetes	15 (25.4%)	5(27.8%)	10 (24.4%)	0.758
Chronic pulmonary disease	8 (13.6%)	0 (0.0%)	8 (19.5%)	0.092
Smoking	9 (15.3%)	0 (0.0%)	9 (22.0%)	0.046
Chronic hepatic disease	4 (6.78%)	1 (5.6%)	3 (7.3%)	1.000
Malignancy	3 (5.1%)	0 (0.0%)	3 (7.3%)	0.546
Uremia	6(10.2%)	3 (16.7%)	3 (7.3%)	0.357
Onset of symptom to, days (IQR)
Confirmation of disease	4.0 (1–7)	1.5 (0–7)	4.0 (2–7)	0.138
Hospital admission	12.0 (8–17)	11.5 (8–15)	14.0 (8–17)	0.575
ICU admission	16.0 (12–23)	13.5 (8–20)	16.0 (13–23)	0.168
Death			25.0 (19–32)

Note: Data were presented by mean±SD, n (%), or median (IQR).

Abbreviations: COVID-19, coronavirus disease 2019; M/F ratio, male/female ratio; IQR, interquartile range; ICU, intensive care unit.