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. 2013 Apr 19;11:64. doi: 10.1186/1477-7525-11-64

Table 1.

Descriptive statistics for clinical and socio-demographic variables (n = 243)

Gender	Male	123/243 (50.6%)
Gender	Female	120/243 (49.4%)
Age	Mean (SD)	70.6 (11.3)
Age	Range	32-91
Education	Compulsory school	54/243 (22.2%)
	Apprenticeship	104/243 (42.8%)
	A-level/professional school	39/243 (16.0%)
	University	13/243 (5.3%)
	Missing	33/243 (13.5%)
Location	THA	157/243 (64.6%)
Location	TKA	86/243 (35.4%)
Side	Left	116/243 (47.7%)
Side	Right	127/243 (52.3%)
Time since surgery (months)	Mean (SD)	31.1 (12.3)
	Range	15-42