Table 1 Summary of the main demographic data of the two groups

Age(years)

58.38 ± 11.03

(38–78)

54.74 ± 14.35

(23–82)

0.38

Sex

 Male(n, %)

0(0%)

37(42.5%)

< 0.01

 Female(n, %)

13(100%)

50(57.5%)

Operative side

0.56

 Left(n, %)

9(69.2%)

51(58.6%)

 Right(n, %)

4(30.8%)

36(41.4%)

Garden classification

0.53

 I + II(n, %)

3(23.1%)

31(35.6%)

 III + IV(n, %)

10(76.9%)

56(64.4%)

Reduction quality

0.32

 negative(n, %)

3(23.1%)

8(9.2%)

 positive(n, %)

2(15.4%)

13(14.9%)

 neutral support(n,%)

8(61.5%)

66(75.9%)

Injury-to-surgery interval

(days)

2.38 ± 1.04

(1–4)

2.80 ± 1.85

(1–14)

0.43

Follow-up duration

(months)

59.38 ± 13.47

(29–72)

55.84 ± 13.38

(27–72)

0.38

Deviation of neck-shaft angle (°)

1.74 ± 6.97

(-12.13-13.63)

4.33 ± 7.68

(-11.41-20.94)

0.26