Table 1 Demographic data of patients
Group A(N = 41) | Group B(N = 53) | P value | Cohen’s d | |
|---|---|---|---|---|
Age (years) | 68.76 ± 6.76 | 66.49 ± 7.30 | 0.131 | 0.322 |
Sex, M/F (n) | 7/34 | 25/28 | 0.002* | -- |
Height(m) | 1.62 ± 0.08 | 1.63 ± 0.08 | 0.639 | -0.099 |
Weight (kg) | 64.75 ± 10.86 | 65.99 ± 11.27 | 0.598 | -0.111 |
BMI (kg/cm2) | 24.54 ± 3.31 | 24.71 ± 3.07 | 0.792 | -0.055 |
BMD (g/cm2) | -1.98 ± 0.41 | 0.05 ± 0.89 | 3.36 × 10− 23* | -2.917 |
Follow up (months) | 21.05 ± 4.42 | 21.09 ± 4.28 | 0.960 | -0.010 |
Blood loss (ml) | 64.51 ± 45.84 | 59.06 ± 33.77 | 0.513 | 0.136 |
Operative time (min) | 70.93 ± 5.61 | 70.96 ± 5.81 | 0.977 | -0.006 |
Smoking after surgery (n) Diabetes mellitus (n) COPD (n) | 0 6 1 | 0 7 3 | -- 0.824 0.449 | -- -- -- |