Table 1.
Demographics and clinical characteristics of patients infected with Delta on admission
| Clinical characteristics | Total (n = 863) | Mild (n = 304) | Moderate (n = 537) | Severe (n = 22) | p value |
|---|---|---|---|---|---|
| Age (IQR), years | 38 (30−51) | 34 (26−44) | 40 (32−52) | 71 (55−76) | <0.0001 |
| Age-group, years | |||||
| 19−40 | 480 (55.62) | 202 (66.45) | 276 (51.40) | 2 (9.09) | |
| 41−64 | 315 (36.50) | 93 (30.59) | 217 (40.41) | 5 (22.72) | |
| ≥65 | 68 (7.88) | 9 (2.96) | 44 (8.19) | 15 (68.18) | |
| Gender, n (%) | |||||
| Male | 471 (54.58) | 174 (57.24) | 283 (52.70) | 14 (63.63) | |
| Female | 392 (45.42) | 130 (42.76) | 254 (47.30) | 8 (36.36) | |
| Signs and symptoms, n (%) | |||||
| Cough | 488 (56.55) | 133 (43.75) | 337 (62.76) | 18 (81.82) | |
| Fever | 385 (44.61) | 86 (28.29) | 280 (52.14) | 19 (86.36) | |
| Pharyngalgia | 352 (40.79) | 127 (41.78) | 221 (41.15) | 4 (18.18) | |
| Expectoration | 224 (25.96) | 53 (17.43) | 163 (30.35) | 8 (36.36) | |
| Dyspnea | 155 (17.96) | 50 (16.45) | 96 (17.88) | 9 (40.91) | |
| Fatigue | 91 (10.54) | 24 (7.89) | 60 (11.17) | 7 (31.82) | |
| Headache | 71 (8.23) | 15 (4.93) | 53 (9.87) | 3 (13.64) | |
| Loss of taste | 71 (8.23) | 16 (5.26) | 54 (10.06) | 1 (4.55) | |
| Comorbidities, n (%) | 167 (19.35) | ||||
| Hypertension | 80 (9.27) | 16 (5.26) | 54 (10.06) | 10 (45.45) | |
| Diabetes (Type I or II) | 22 (2.55) | 7 (2.30) | 14 (2.61) | 1 (4.55) | |
| Coronary heart disease | 12 (1.39) | 1 (0.33) | 7 (1.30) | 4 (18.18) | |
| Chronic liver disease | 17 (1.97) | 7 (2.30) | 9 (1.68) | 1 (4.55) | |
| Chronic respiratory diseases | 14 (1.62) | 1 (0.33) | 12 (2.23) | 1 (4.55) | |
| Cerebrovascular diseases | 8 (0.93) | 2 (0.66) | 6 (1.11) | 0 | |
| Chronic renal diseases | 5 (0.58) | 2 (0.66) | 3 (0.56) | 0 | |
| Malignancy | 9 (1.04) | 1 (0.33) | 7 (1.30) | 1 (4.55) | |
| Vaccination status, n (%) | |||||
| Fully vaccinated | 777 (90.03) | 281 (92.43) | 483 (89.94) | 13 (59.09) | |
| Partially vaccinated | 27 (3.13) | 9 (2.96) | 18 (3.35) | 0 | |
| Not vaccinated | 56 (6.49) | 12 (3.95) | 35 (6.52) | 9 (40.91) | |
| Unknown vaccination status | 3 (0.35) | 2 (0.66) | 1 (0.19) | 0 | |
| Low molecular weight heparin | 575 (66.63) | 114 (37.50) | 441 (82.12) | 20 (90.91) | |
| Length of hospital (IQR), d | 18.0 (15.0−22.0) | 17.0 (14.0−22.0) | 19 0.0 (16.0−22.0) | 20.5 (14.8−30.5) | <0.0001 |