Table 3 Postoperative Blood Transfusion for Patients with Abnormal Hemoglobin after HTO Surgery
From: Re-evaluating the necessity of routine laboratory tests after high tibial osteotomy surgery
Factor | Treatment Group (n = 19) | No Treatment Group (n = 463) | P value |
|---|---|---|---|
Age (years) | 53.58 ± 5.99 | 53.30 ± 5.92 | 0.846 |
Sex (n) | 0.032 | ||
Male | 8 | 317 | |
Female | 11 | 146 | |
BMI (kg/m2) | 26.25 ± 3.35 | 23.04 ± 2.88 | p < 0.001 |
Smoking: n(%) | 3(15.8 %) | 133(28.7 %) | 0.219 |
Alcohol use: n(%) | 2(10.5 %) | 94(20.3 %) | 0.142 |
Diabetes mellitus: n(%) | 31(5.8 %) | 30(6.5 %) | 0.390 |
High blood pressure: n(%) | 4(21.1 %) | 61(13.2 %) | 0.306 |
Preoperative hb level (g/L) | 104.05 ± 14.33 | 135.94 ± 12.20 | p < 0.001 |
Estimated blood loss (mL) | 489.47 ± 216.40 | 233.05 ± 87.34 | p < 0.001 |
Operative time (minutes) | 174.62 ± 47.62 | 145.74 ± 23.25 | p < 0.001 |