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. 2012 Aug 28;470(12):3446–3452. doi: 10.1007/s11999-012-2549-3

Table 1.

Demographic information

Variable Group 1 Group 2 p value
Number of patients 212 (45%) 260 (55%)
Number of hips 220 (42%) 298 (58%)
Sex (number of hips) 0.19
 Male 92 (42%) 142 (48%)
 Female 128 (58%) 156 (52%)
Age (years)* 28 ± 9 28 ± 11 0.53
BMI* 26 ± 6 25 ± 5 0.76
Followup (years) 4 (1–13) 1.5 (1–3) < 0.001

* Values are expressed as mean ± SD; values are expressed as mean, with range in parentheses.