Table 2.

Comparison of clinical indicators between the two groups (x ± sd).

Groups	n	Operation time	Intraoperative blood loss (mL)	Postoperative drainage volume (mL)
PFNA group	59	54.94 ± 7.29	119.69 ± 19.43	72.10 ± 14.12
DHS group	53	61.17 ± 6.45	130.64 ± 18.75	81.13 ± 15.76
t	—	4.767	3.027	3.198
P	—	<0.001	0.003	0.002

Abbreviation: PFNA: proximal femoral nail antirotation; DHS: dynamic hip screw group.