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Table 1

Preoperative and post-operative parameters of the patients in this series. There was a statistically significant difference noticed in all the parameters.

Parameter Preoperative value Post-operative value p-value
VAS score in the position of impingement 5.13 (SD, 1.2) 1.6 (SD, 0.63) 0.00032
Harris hip score 71.3 (SD, 13) 89.7 (SD, 14.5) 0.0079
WOMAC 73.6 (SD, 15.4) 92.4 (SD, 16) 0.0154
Range of motion      
Flexion 92.1 (SD, 10.7) 120.47 (SD, 5.8) 0.0003
Internal rotation 15.6 21.9 (SD, 2.6) 0.0006
External rotation 13.2 (SD, 3.0) 28.9 (SD, 3.2) 0.0006
Adduction 17.1 (SD, 3.8) 28.0 (SD, 3.2) 0.0006
Abduction 19.5 (SD, 6.0) 39.3 (SD,4.0) 0.0003

VAS: visual analogue scale, WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index, SD: standard deviation.

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