Table 4.
Subgroup analysis after matching (n = 722)
| Variables | Complications | |
|---|---|---|
| Transfusion timing | None | Infections |
| a. Transfusion timing and infections | ||
| Non-BTF group (n = 361) | 336 (93.1%) | 25 (6.9%) |
| Pre-operative BTF group (n = 149) | 136 (91.3%) | 13 (8.7%) |
| Intra-operative BTF group (n = 128) | 110 (85.9%) | 18 (14.1%) |
| Post-operative BTF group (n = 189) | 176 (93.1%) | 13 (6.9%) |
| One time-period BTF group (n = 266) | 238 (89.5%) | 28 (10.5%) |
| Multi-time-period BTF group (n = 95) | 80 (84.2%) | 15 (15.8%) |
| Comparison between subgroups: non-BTF vs. pre-operative BTF, P = 0.482; non-BTF vs. intra-operative BTF, P = 0.014; non-BTF vs. post-operative BTF, P = 0.984; pre-operative BTF vs. intra-operative BTF, P = 0.160; pre-operative BTF vs. post-operative BTF, P = 0.527; intra-operative BTF vs. post-operative BTF, P = 0.035 | ||
| Non-BTF vs. one time-period BTF, P = 0.109; non-BTF vs. multi-time-period BTF, P = 0.007; one time-period BTF vs. multi-time-period BTF, P = 0.174 | ||
| Variables | Complications | |
|---|---|---|
| Transfusion volume | None | Infections |
| b. Transfusion volume and infections | ||
| Non-BTF group (n = 361) | 336 (93.1%) | 25 (6.9%) |
| Low-volume BTF group (n = 74) | 66 (89.2%) | 8 (10.8%) |
| Moderate-volume BTF group (n = 228) | 205 (89.9%) | 23 (10.1%) |
| High-volume BTF group (n = 59) | 47 (79.7%) | 12 (20.3%) |
| Comparison between subgroups: non-BTF vs. low-volume BTF, P = 0.250; non-BTF vs. moderate-volume BTF, P = 0.172; non-BTF vs. high-volume BTF, P = 0.001; low-volume BTF vs. moderate-volume BTF, P = 0.859; low-volume BTF vs. high-volume BTF, P = 0.127; moderate-volume BTF vs. high-volume BTF, P = 0.032 | ||
| Variables | Complications | |
|---|---|---|
| Transfusion type | None | Infections |
| c. Leukocyte depletion and infections | ||
| Non-BTF group (n = 361) | 336 (93.1%) | 25 (6.9%) |
| Leukocyte-depleted BTF group (n = 221) | 197 (89.1%) | 24 (10.9%) |
| Leukocyte-non-depleted BTF group (n = 140) | 121 (86.4%) | 19 (13.6%) |
| BTF blood transfusion | ||
| Comparison between subgroups: non-BTF vs. leukocyte-depleted BTF, P = 0.097; non-BTF vs. leukocyte-non-depleted BTF, P = 0.018; leukocyte-depleted BTF vs. leukocyte-non-depleted BTF, P = 0.438 | ||
Statistically significant values are in bold (p < 0.05)