Table 2.
Distribution and duration of symptoms among the cases in accordance with ABO blood group.
| Characteristics | ABO blood group | ||||
|---|---|---|---|---|---|
| A, n (%) | B, n (%) | AB, n (%) | O, n (%) | Total, n (%) | |
| Symptomatic | 240 (82.5) | 228 (77.8) | 99 (78.6) | 310 (81.4) | 877 (80.4) |
| Asymptomatic | 51 (17.5) | 65 (22.2) | 27 (21.4) | 71 (18.6) | 214 (19.6) |
| Duration of symptoms (days) | |||||
| 1–3 | 44 (15.1) | 51 (17.4) | 23 (18.3) | 52 (13.6) | 170 (15.6) |
| 4–10 | 127 (43.6) | 115 (39.2) | 50 (39.7) | 183 (48) | 475 (43.5) |
| >10 | 69 (23.7) | 62 (21.2) | 26 (20.6) | 75 (19) | 232 (21.3) |
| Duration of hospital stay (days) | |||||
| 1–3 | 4 (1.4) | 3 (1.0) | 1 (0.8) | 3 (0.8) | 11 (1.0) |
| 4–10 | 11 (3.8) | 6 (2.0) | 5 (4.0) | 12 (3.1) | 34 (3.1) |
| >10 | 19 (6.5) | 14 (4.8) | 6 (4.8) | 13 (3.4) | 52 (4.8) |
| Duration of ICU stay (days) | |||||
| 1–3 | 1 (0.3) | 0 (0.0) | 1 (0.8) | 1 (0.3) | 3 (0.3) |
| 4–10 | 3 (1.0) | 4 (1.4) | 3 (2.4) | 2 (0.5) | 12 (1.1) |
| >10 | 2 (0.7) | 3 (1.0) | 0 (0.0) | 4 (1.0) | 9 (0.8) |
ICU: intensive care unit.