Proximal Femoral Nail versus Dynamic Hip Screw Fixation for Trochanteric Fractures: A Meta-Analysis of Randomized Controlled Trials

Table 1

Characteristics of the included studies.

Studies	Ages (years)		Men (%)	Setting	Follow-up; (months)	Fracture type; (OTA, 31-)	Year
	PFN	DHS
Saudan et al. [23]	83±9.7	83.7±10.1	22.3	Switzerland	12	A1, A2	2002
Pan et al. [24]	70±6.8	69±7.1	75	China	16 (12–28)	A1, A2, A3	2004
Pajarinen et al. [18]	80.9±9.1	80.3±10.8	25	Finland	4	A(1.1-1.2, 2.1-2.2, others)	2005
Giraud et al. [25]	81±12.8	82±9.8	23	France	3	A1, A2, A3	2005
Papasimos et al. [26]	79.4	81.4	38.8	Greece	12	A2, A3	2005
Liu et al. [27]	76±4.3	78±4.5	29.1	China	9	A1, A2	2009
Huang et al. [17]	75±5	77±5	26	China	9	A1, A2	2010
Parker et al. [28]	81.4 (27–104)	82.4 (26–104)	20.2	UK	12	A1, A2, A3, B2.1	2012

PFN: proximal femoral nail; DHS: dynamic hip screw; OTA: Orthopaedic Trauma Association.