Table 2.
Factors associated with COVID-19 mortality
| Variables | Survived (n=596) | Deceased (n=450) | value |
|---|---|---|---|
| Age (years), mean±SD | 55-35±11.54 | 57.78±11.54 | 0.004 a* |
| Sex, n (%) | |||
| Male | 310 (52) | 250 (55.6) | 0.255 c |
| Female | 286 (48) | 200 (44.4) | |
| Length of stay (days), mean±SD | 14.21±13.25 | 17.08±25.697 | 0.031 a* |
| Pneumonia, n (%) | |||
| Present | 518 (86.9) | 450 (100.0) | <0.001 c** |
| Absent | 78 (13.1) | 0 (0.0) | |
| COVID-19 severity, n (%) | |||
| Mild to moderate | 178 (29.9) | 13 (6.8) | <0.001 c** |
| Severe | 418 (70.1) | 437 (97.1) | |
| Number of COVID-19 vaccine, n (%) | |||
| 0 | 314 (52.7) | 297 (66.0) | <0.001 b |
| 1 | 60 (10.1) | 44 (9.8) | |
| 2 | 162 (27.2) | 89 (19.8) | |
| 3 | 58 (9.7) | 20 (4.4) | |
| 4 | 2 (0.3) | 0 (0.0) | |
| Number of comorbidities, n (%) | |||
| 0 | 53 (8.9) | 2 (0.4) | <0.001 b** |
| 1 | 200 (33.6) | 46 (10.2) | |
| 2 | 193 (32.4) | 158 (35.1) | |
| 3 | 111 (18.6) | 162 (36) | |
| 4 | 37 (6.2) | 74 (16.4) | |
| 5 | 2 (0.3) | 7 (1.6) | |
| 6 | 0 (0.0) | 0 (0.0) | |
| Comorbidity, n (%) | |||
| Diabetes mellitus (DM) | 443 (74.3) | 422 (93.8) | <0.001 c** |
| Hypertension | 112 (18.8) | 157 (34.9) | <0.001 c** |
| Obesity | 107 (18) | 140 (31.1) | <0.001 c |
| Chronic kidney disease (CKD) | 188 (31.5) | 262 (58.2) | <0.001 c** |
| Stroke | 19 (3.2) | 26 (5.8) | 0.046 c* |
| Coronary artery disease | 14 (2.3) | 20 (4.4) | 0.077 c |
| Chronic lung disease | 9 (1.5) | 17 (3.8) | 0.026 c* |
| Chronic liver disease | 22 (3.7) | 20 (4.4) | 0.634 c |
| Malignancy | 45 (7.6) | 41 (9.1) | 0.366 c |
| Human immunodeficiency virus (HIV) | 29 (4.9) | 17 (3.8) | 0.448 c |
| Autoimmune disease | 27 (4.5) | 13 (2.9) | 0.194 c |
| Hematologic disease | 19 (3.2) | 9 (2.0) | 0.254 c |
a
Analyzed using independent Student’s t-test
b
Analyzed using Mann-Whitney test
c
Analyzed using Chi-squared test
*
Statistically significant at p=0.05
**
Statistically significant at p=0.001