Effects of individual shock wave therapy vs celecoxib on hip pain caused by femoral head necrosis

Table 1 Patient characteristics, mean ± SD

Characteristic	Group A	Group B	P value
Patients, n	35	35
Sex, male/female	26/10	18/17
Age in yr	40.06 ± 13.48	43.72 ± 13.69	0.2561
Weight in kg	71.82 ± 11.02	67.79 ± 10.93	0.1241
Height in cm	171.6 ± 7.71	168.4 ± 8.22	0.0991
BMI in kg/m2	24.4 ± 3.59	23.8 ± 2.85	0.4241
Pain duration in mo	14.8 ± 7.99	13.7 ± 7.89	0.5641

¹Paired-samples t-test data are expressed as mean ± SD or n (%).

Data were analyzed using unpaired t-test. BMI: Body mass index.