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

Table 2

Methodological quality of included studies.

Studies	No. of fractures		Randomization	Allocation concealment	Blinding	Loss to follow-up	Level
	PFN	DHS
Saudan et al. [23]	100	106	Adequate	Not described	Not described	Yes	B
Pan et al. [24]	30	34	Inadequate	Inadequate	Adequate	Yes	C
Pajarinen et al. [18]	54	54	Adequate	Adequate	Not described	Yes	B
Giraud et al. [25]	34	26	Adequate	Not described	Not described	Yes	B
Papasimos et al. [26]	40	40	Not described	Not described	Not described	Yes	B
Liu et al. [27]	69	65	Not described	Not described	Not described	Yes	B
Huang et al. [17]	48	48	Adequate	Adequate	Not described	Yes	B
Parker et al. [28]	300	300	Adequate	Adequate	Adequate	Yes	A

Loss to follow-up: reported patients loss to follow-up.