Table 1.
Characteristics of the study groups
| Variables | Overall (n=549) | Cases (n=132) | Controls (n=417) | P |
|---|---|---|---|---|
| Age, mean±SD | 40.80±19.62 | 40.95±19.48 | 40.76±19.69 | 0.884^ |
| Age, n (%) | ||||
| Children | 31 (5.65) | 6 (4.55) | 25 (6.0) | 0.989* |
| 15-25 years | 87 (15.85) | 22 (16.67) | 65 (15.59) | |
| 26-35 years | 137 (24.95) | 34 (25.76) | 103 (24.70) | |
| 36-45 years | 113 (20.58) | 26 (19.70) | 87 (20.86) | |
| 46-59 years | 54 (9.84) | 13 (9.85) | 41 (9.83) | |
| ≥60 years | 127 (23.13) | 31 (23.48) | 96 (23.02) | |
| Gender, n (%) | ||||
| Female | 293 (53.37) | 67 (50.76) | 226 (54.20) | 0.490* |
| Male | 256 (46.63) | 65 (49.24) | 191 (45.80) | |
| BMI, mean±SD | 28.35±8.02 | 27.65±6.65 | 28.58±8.43 | 0.423^ |
| Comorbidities, n (%) | ||||
| Diabetes mellitus type II | 126 (22.95) | 37 (28.03) | 89 (21.34) | 0.111* |
| Hypertension | 126 (22.95) | 38 (28.79) | 88 (21.10) | 0.067* |
| COPD | 4 (0.73) | 1 (0.76) | 3 (0.72) | 1.000** |
| Asthma | 30 (5.59) | 7 (5.47) | 23 (5.62) | 0.947* |
| Ischemic heart disease | 26 (4.74) | 10 (7.58) | 16 (3.84) | 0.078* |
| History of cancer | 16 (2.91) | 7 (5.30) | 9 (2.16) | 0.074** |
| Type of cancer | ||||
| Lymphoma | 4 (26.67) | 3 (42.86) | 1 (12.50) | - |
| Breast cancer | 3 (20) | 0 | 3 (37.5) | |
| Thyroid cancer | 2 (13.33) | 1 (14.29) | 1 (12.50) | |
| Colorectal cancer | 1 (6.67) | 1 (14.29) | 0 | |
| Nasopharyngeal cancer | 1 (6.67) | 1 (14.29) | 0 | |
| Pancreatic cancer | 1 (6.67) | 0 | 1 (12.5) | |
| Hepatocellular cancer | 1 (6.67) | 0 | 1 (12.5) | |
| Number of comorbidities | ||||
| None | 357 (65.03) | 84 (63.64) | 273 (65.47) | 0.700* |
| Yes | 192 (34.97) | 48 (36.36) | 144 (34.53) | |
| COVID-19 severity | ||||
| Asymptomatic | 153 (27.87) | 37 (28.03) | 116 (27.82) | 0.862* |
| Mild | 375 (68.31) | 91 (68.94) | 284 (68.11) | |
| Moderate-severe | 21 (3.83) | 4 (3.03) | 17 (4.08) |
*Chi-square test, **Fisher’s exact test, ^Wilcoxon rank-sum test. Column percentages are reported. SD=Standard deviation, BMI=Body mass index, COPD=Chronic obstructive pulmonary disease