Table 3.
Bivariate analysis of factors associated with COVID-19 severity and mortality.
| Variable | Severity | Mortality | |||||||||
|
|
Mild-moderate, n (%) | Severe-critical, n (%) | P value | Survivors, n (%) | Deaths, n (%) | P value | |||||
| Sex | .45 |
|
|
.005 | |||||||
|
|
Male | 1318 (49.9) | 1323 (50.1) |
|
2132 (80.7) | 509 (19.3) |
|
||||
|
|
Female | 767 (51.1) | 733 (48.9) |
|
1263 (84.2) | 237 (15.8) |
|
||||
| Age (years) | <.001 |
|
|
<.001 | |||||||
|
|
<40 | 849 (71.2) | 344 (28.8) |
|
1115 (93.5) | 78 (6.5) |
|
||||
|
|
40-59 | 779 (49.6) | 792 (50.4) |
|
1334 (84.9) | 237 (15.1) |
|
||||
|
|
≥60 | 457 (33.2) | 920 (66.8) |
|
946 (68.7) | 431 (31.3) |
|
||||
| Working in health care setting | <.001 |
|
|
<.001 | |||||||
|
|
Non–health care workers | 1965 (49.2) | 2029 (50.8) |
|
3254 (81.5) | 740 (18.5) |
|
||||
|
|
Health care workers | 120 (81.6) | 27 (18.4) |
|
141 (95.9) | 6 (4.1) |
|
||||
| Positive history of contact with patient with COVID-19 | 1116 (66.0) | 574 (34.0) | <.001 | 1456 (86.2) | 234 (13.8) | <.001 | |||||
| Smoking | <.001 |
|
|
.29 | |||||||
|
|
Ever | 228 (37.7) | 376 (62.3) |
|
486 (80.5) | 118 (19.5) |
|
||||
|
|
Never | 1857 (52.5) | 1680 (47.5) |
|
2909 (82.2) | 628 (17.8) |
|
||||
| Comorbidities | 592 (34.2) | 1141 (65.8) | <.001 | 1237 (71.4) | 496 (28.6) | <.001 | |||||
|
|
Hypertension | 353 (34.6) | 668 (65.4) | <.001 | 714 (69.9) | 307 (30.1) | <.001 | ||||
|
|
Diabetes mellitus | 319 (34.0) | 620 (66.0) | <.001 | 650 (69.2) | 289 (30.8) | <.001 | ||||
|
|
Heart diseases | 91 (30.0) | 212 (70.0) | <.001 | 190 (62.7) | 113 (37.3) | <.001 | ||||
|
|
Renal disease | 25 (17.9) | 115 (82.1) | <.001 | 108 (77.1) | 32 (22.9) | .13 | ||||
|
|
Asthma | 50 (45.0) | 61 (55.0) | .26 | 91 (82.0) | 20 (18.0) | >.99 | ||||
|
|
Respiratory diseases | 21 (34.4) | 40 (65.6) | .01 | 38 (62.3) | 23 (37.7) | <.001 | ||||
|
|
Malignancy | 21 (33.9) | 41 (66.1) | .009 | 43 (69.4) | 19 (30.6) | .009 | ||||
|
|
Immunocompromising conditions | 12 (26.7) | 33 (73.3) | .001 | 39 (86.7) | 6 (13.3) | .41 | ||||
|
|
Liver disease | 8 (36.4) | 14 (63.6) | .19 | 16 (72.7) | 6 (27.3) | .26 | ||||
|
|
Tuberculosis | 19 (33.9) | 37 (66.1) | .01 | 42 (75.0) | 14 (25.0) | .17 | ||||
|
|
Cerebrovascular disease | 8 (42.1) | 11 (57.9) | .47 | 12 (63.2) | 7 (36.8) | .03 | ||||