Table 4 Comparison of transfusion utilization between different BMI groups in on-pump CABG surgery
Variables | PSM | Logistic | ||||||
|---|---|---|---|---|---|---|---|---|
BMI<18.5 kg/m2 (n = 61) | 18.5 ≤ BMI < 24 kg/m2 (n = 61) | MD or OR (95%CI) | p value | BMI<18.5 kg/m2 (n = 61) | 18.5 ≤ BMI < 24 kg/m2 (n = 3585) | OR (95%CI) | p value | |
Transfusion requirement (quantity if used and percentage of usage) | ||||||||
Red blood cell (u), mean ± SD | 2.34 ± 4.62 | 1.25 ± 3.80 | 1.180 (-0.419 ~ 2.615) | 0.154 | 2.34 ± 4.62 | 1.07 ± 2.61 | / | / |
n (%) | 23 (37.7) | 13 (21.3) | 3.837 (1.213 ~ 12.144) | 0.022 | 23 (37.7) | 695 (19.4) | 2.019 (1.232 ~ 3.609) | 0.007 |
Plasma (mL), mean ± SD | 193.44 ± 332.60 | 111.48 ± 445.01 | 81.970 (-58.990 ~ 22.924) | 0.252 | 193.44 ± 332.60 | 105.10 ± 332.60 | / | / |
n (%) | 19 (31.1) | 6 (9.8) | 10.135 (1.693 ~ 60.627) | 0.011 | 19 (31.1) | 480 (13.4) | 2.973 (1.700 ~ 5.200) | <0.001 |
Platelets (u), mean ± SD | 0.26 ± 1.26 | 0.30 ± 0.26 | 0.230 (-0.100 ~ 0.566) | 0.169 | 0.26 ± 1.26 | 0.07 ± 0.78 | / | / |
n (%) | 26 (42.6) | 15 (24.6) | 3.208 (1.104 ~ 9.137) | 0.032 | 26 (42.6) | 914 (25.5) | 1.913 (1.140 ~ 3.208) | 0.014 |
Any, n (%) | 26 (42.6) | 15 (24.6) | 3.208 (1.104 ~ 9.137) | 0.032 | 26 (42.6) | 914 (25.5) | 1.913 (1.140 ~ 3.208) | 0.014 |