Variables | PSM | Logistic | ||||||
---|---|---|---|---|---|---|---|---|
BMI<18.5 kg/m2 (n = 69) | 18.5 ≤ BMI < 24 kg/m2 (n = 69) | MD or OR (95%CI) | p value | BMI<18.5 kg/m2 (n = 69) | 18.5 ≤ BMI < 24 kg/m2 (n = 3905 ) | OR (95%CI) | p value | |
Transfusion requirement (quantity if used and percentage of usage) | ||||||||
Red blood cell (u), mean ± SD | 1.26 ± 1.97 | 0.44 ± 1.08 | 0.826 (0.291 ~ 1.362) | 0.003 | 1.26 ± 1.97 | 0.71 ± 2.07 | / | / |
n (%) | 27 (39.1) | 11 (15.9) | 3.630 (1.326 ~ 9.937) | 0.012 | 27 (39.1) | 504 (12.9) | 3.156 (1.875 ~ 5.313) | <0.001 |
Plasma (mL), mean ± SD | 86.96 ± 287.95 | 46.38 ± 146.11 | 40.580 (-36.534 ~ 117.693) | 0.299 | 86.96 ± 287.95 | 82.38 ± 237.164 | / | / |
n (%) | 10 (14.5) | 7 (10.1) | 1.201 (0.036 ~ 4.228) | 0.778 | 10 (14.5) | 492 (12.6) | 1.334 (0.674 ~ 2.641) | 0.048 |
Platelets (u), mean ± SD | 0.07 ± 0.40 | 0 ± 0 | 0.072 (-0.023~-0.167) | 0.133 | 0.07 ± 0.40 | 0.02 ± 0.25 | / | / |
n (%) | 3 (4.3) | 0 (0) | / | / | 3 (4.3) | 40 (1.0) | 4.028 (1.135 ~ 14.303) | 0.031 |
Any, n (%) | 29 (42.0) | 16 (23.2) | 2.462 (0.955 ~ 6.349) | 0.062 | 29 (42.0) | 812 (20.8) | 2.261 (1.383 ~ 3.696) | 0.001 |