一般情况 | L组 | M组 | H组 | P值 |
年龄(岁) | 67.55 ± 7.65 | 68.40 ± 5.66 | 67.65 ± 6.26 | 0.905 |
性别比(男/女) | 17/3 | 18/2 | 18/2 | 0.857 |
BMI (m2/kg) | 25.24 ± 2.81 | 25.73 ± 2.27 | 26.01 ± 2.93 | 0.661 |
术前Hb (g/L) | 129.35 ± 23.41 | 135.45 ± 15.44 | 136.85 ± 11.11 | 0.357 |