Table 1.
Demographic characteristics and clinical findings according to blood groups
| Variables | N = 823 | ABO group |
p value | |||
|---|---|---|---|---|---|---|
| A (n = 351) | B (n = 153) | AB (n = 69) | 0 (n = 250) | |||
| Sex | ||||||
| Female | 353 (42.9) | 137 (39.0) | 66 (43. 1) | 31 (44.9) | 119 (47.6) | 0.211 |
| Male | 470 (57.1) | 214 (61.0) | 87 (56.9) | 38 (55.1) | 131 (52.4) | |
| Age, years (mean ± SD) | 58.6±17.0 | 58.8±16.8 | 60.0±18.3 | 57.3±15.8 | 58.0±16.7 | 0.639 |
| Comorbidity | ||||||
| No | 313 (38.0) | 133 (37.9) | 58 (37.9) | 21 (30.4) | 101 (40.4) | 0.515 |
| Yes | 510 (62.0) | 218 (62.1) | 95 (62.1) | 48 (69.6) | 149 (59.6) | |
| CVD | 179 (21.7) | 82 (23.4) | 37 (24.2) | 13 (18.8) | 47 (18.8) | 0.701 |
| RSD | 28 (3.4) | 10 (2.8) | 6 (3.9) | 5 (7.2) | 7 (2.8) | |
| DM | 81 (9.8) | 35 (10.0) | 14 (9.2) | 6 (8.7) | 26 (10.4) | |
| Psychosis | 7 (0.9) | 1 (0.3) | 1 (0.7) | 2 (2.9) | 3 (1.2) | |
| Cancer | 17 (2.1) | 6 (1.7) | 3 (2.0) | 3 (4.3) | 5 (2.0) | |
| RSD, CVD | 8 (1.0) | 2 (0.6) | 1 (0.7) | − | 5 (2.0) | |
| DM, CVD | 141 (17.1) | 63 (17.9) | 25 (16.3) | 15 (21.7) | 38 (15.2) | |
| DM, CVD, RSD | 12 (1.5) | 5 (1.4) | 2 (1.3) | − | 5 (2.0) | |
| Other | 37 (4.5) | 14 (4.0) | 6 (3.9) | 4 (5.8) | 13 (5.2) | |
| Rh-positive | 737 (89.6) | 308 (87.7) | 138 (90.2) | 68 (98.6) | 223 (89.2) | 0.063 |
| Rh-negative | 86 (10.4) | 43 (12.3) | 15 (9.8) | 1 (1.4) | 27 (10.8) | |
| ICU admission | ||||||
| No | 425 (51.6) | 177 (50.4) | 76 (49.7) | 41 (59.4) | 131 (52.4) | 0.537 |
| Yes | 398 (48.4) | 174 (49.6) | 77 (50.3) | 28 (40.6) | 119 (47.6) | |
| Intubated | ||||||
| No | 585 (71.1) | 251 (71.5) | 105 (68.6) | 53 (76.8) | 176 (70.4) | 0.651 |
| Yes | 238 (28.9) | 100 (28.5) | 48 (31.4) | 16 (23.2) | 74 (29.6) | |
| Prognosis | ||||||
| Alive | 600 (72.9) | 258 (73.5) | 108 (70.6) | 55 (79.7) | 179 (71.6) | 0.510 |
| Exitus | 223 (27.1) | 93 (26.5) | 45 (29.4) | 14 (20.3) | 71 (28.4) | |
| Follow-up period, days WBC, ×103/µL | 9 (6–15) | 9 (6–15) | 9 (6–15) | 8 (5–12) | 9 (6–14) | 0.569 |
| 8.5 (6.2–12) | 8.4 (6.2–11.5) | 8.2 (6.2–11.8) | 8 (5.5–11.2) | 8.8 (6.5–12.5) | 0.380 | |
| NEU, ×103/µL | 6.35 (4.1–10.4) | 6.1 (4.2–10.1) | 5.9 (3.9–9.9) | 5.3 (3.5–9.7) | 7.1 (4.3–11) | 0.144 |
| LY, ×103/µL | 1 (0.6–1.6) | 1.1 (0.6–1.6) | 1.1 (0.5–1.7) | 1.2 (0.6–1.8) | 1 (0.5–1.5) | 0.500 |
Numerical variables without normal distribution are given as median (IQR, 25th–75th percentile). Categorical variables are given as n (%). CVD, cardiovascular disease; RSD, respiratory system diseases; DM, diabetes mellitus; ICU, intensive care unit; WBC, white blood cell; NEU, neutrophil; LY, lymphocyte.