Table 1 Baseline characteristics of patients

Sex (Male/n)

17/47

8/34

0.224

Age (years)

76.00 ± 8.41

71.62 ± 7.86

0.175

Height(m)

1.63 ± 0.09

1.62 ± 0.09

0.779

Weight (kg)

59.9 ± 8.97

66.15 ± 10.45

0.108

BMI (kg/m2)

22.61 ± 2.18

25.31 ± 3.16

0.016*

Prevalence of hypertension(%)

27/47(57.4%)

10/34(29.4%)

0.012*

Prevalence of Diabetes(%)

7/47 (14.9%)

3/34(8.8%)

0.412

Prevalence of lumbar disorders(%)

10/47 (21.3%)

10/34 (29.4%)

0.402

Falls(%)

33/47 (70.2%)

21/34 (61.8%)

0.426

Time from injury to operation(%))

12.64 ± 9.57

17.85 ± 13.25

0.251