Table 1: Baseline characteristics in the lateral decubitus position and supine position groups.

No.Group A ( )Group B ( )Std. deviation values

Age (years)77.3 (74~82)75.7 (71~80)−1.669*0.095
Sex (male/female)26 : 3429 : 310.302**0.583
Injured side (left/right)39 : 2137 : 230.144**0.705
AO type
 31-A11315
 31-A243420.297**0.862
 31-A343
Complication
 Hypertensive disease15120.430**0.512
 Diabetes mellitus16140.178**0.673
 Chronic obstructive pulmonary13150.186**0.666

Chi-Square, *Wilcoxon-test; Group A: the lateral decubitus position; Group B: the supine position.