Table 1. Patient baseline characteristics.
| ABO blood type A (n = 691) |
ABO blood type non-A (n = 1041) | P-value | |
|---|---|---|---|
| Sex, M/F (%) | 242/368 (35/65) | 449/673 (43/57) | 0.888 |
| Age, years, median (IQR) | 68 (56–77) | 68 (56–77) | 0.643 |
| SAPSII, median (IQR) | 42 (31–56) | 43 (32–59) | 0.294 |
| Weight, kg, median (IQR) | 75 (65–85) | 73 (65–85) | 0.595 |
| Height, cm, median (IQR) | 170 (163–175) | 170 (165–175) | 0.623 |
| Rh, n (%) | 0.437 | ||
| • Positive | 600 (86.8) | 917 (88.1) | |
| • Negative | 91 (13.2) | 124 (11.9) | |
| Admission GCS, median (IQR) | 15 (11–15) | 15 (10–15) | 0.722 |
| Admission Hospital, n (%) | 0.832 (overall comparison) | ||
| • San Gerardo, Monza | 114 (16.5) | 152 (14.6) | |
| • A. Manzoni, Lecco | 251 6.3) | 390 (37.5) | |
| • Vimercate Hospital | 55 (8.0) | 82 (7.9) | |
| • Niguarda Ca’ Granda, Milano | 89 (12.9) | 145 (13.9) | |
| • IRCCS Ospedale Maggiore Policlinico, Milano | 182 (26.3) | 272 (26.1) |
Abbreviations: n = number; M = male; F = female; IQR = interquartile range; SAPSII = simplified acute physiologic score II; GCS = Glasgow Coma Scale.