Table 5.

Studies reporting gender as possible predictor of functional outcome after THA

			Measurement	FU period	Significance
Author, year	Grade	N of pts	tool	(months)	Level (p value)	Association	Predictor level of measurement
Kessler, 2007	Moderate	76	WOMAC	ST (3 m)	NA	No	Dich
							(1: men 2: woman)
Nilsdotter, 2002	Moderate	148	WOMAC	ST (3 m)	0.7	No	Dich
			SF-36	ST (12 m)			(1: men 2: woman)
Nankaku, 2013	Moderate	204	Ambulatory status ST (6 m)		0.10	No	Dich
							(1: men 2: woman)
Slaven, 2012	Low	40	LEFS	ST (6 m)	0.039	Pos, woman	Dich
							(1: men 2: woman)
Quintana, 2009	Moderate	788	SF-36 PF	ST (6 m)	NA	Pos, men	Dich
				ST (24 m)	NA	No	(1: men 2: woman)
Bergschmidt, 2010	Moderate	100	HHS	ST (12 m)	NA	No	Dich
							(1: men 2: woman)
Stevens, 2012	Low	653	WOMAC	ST (12 m)	0.002	Pos, men	Dich
							(1: men 2: woman)
Dowsey, 2014	High	835	HHS	ST (12 m)	0.06	No	Dich
							(1: men 2: woman)
Wang, 2010	Moderate	97	WOMAC	ST (16.8 m)	0.0001	Pos, men	Dich
							(1: men 2: woman)
Bischoff, 2004	Moderate	922	WOMAC PF	LT (36 m)	No	No	Dich
							(1: men 2: woman)
Jones, 2012	Moderate	231	WOMAC	LT (36 m)	0.118	No	Dich
							(1: men 2: woman)
Smith, 2012	Moderate	1683	HHS	LT (36 m)	<0.001	Pos, men	Dich
							(1: men 2: woman)
Gandhi, 2010	Low	636	WOMAC	LT (39 m)	No	No	Dich
			SF-36 PF		<0.05	Pos, woman	(1: men 2: woman)
Lavernia, 2011	Low	532	WOMAC PF	LT (42 m)	<0.001*	Pos, woman	Dich
							(1: men 2: woman)
Nilsdotter, 2003	Low	211	WOMAC PF	LT (66 m)	0.37	No	Dich
							(1: men 2: woman)

All significant results are bold; studies that used change in function as outcome are marked with *.

BMI, body mass index; Dich, dichotomous; FU, follow-up; HHS, Harris Hip Score; LEFS, Lower Extremity Functional Scale; LT, long-term; N of pts, number of patients; NA, not applicable; Neg, negative; OHS, Oxford Hip Score; Pos, positive; SF-36 PF, Short Form 36 physical function; ST, short-term; THA, total hip arthroplasty; WOMAC, Western Ontario and Mcmaster Universities Osteoarthritis Index.