Outcome of single-stage total hip arthroplasty in advanced active tubercular arthritis of the hip in Indian patients

Table 3 Comparison of mean Harris Hip score, C-reactive protein, and erythrocyte sedimentation rate. Mean preoperative values are compared with mean values at 6 weeks, 12 weeks, 24 weeks, 48 weeks, and 72 weeks follow-up interval

Parameter	Pre-operative vs 6 weeks		Pre-operative vs 12 weeks		Pre-operative vs 24 weeks		Pre-operative vs 48 weeks		Pre-operative vs 72 weeks
	Difference between means	P value	Difference between means	P value	Difference between means	P value	Difference between means	P value	Difference between means	P value
HHS	35.61	< 0.04	43.38	< 0.05	49.46	< 0.01	51.53	< 0.01	52.69	< 0.001
ESR	-40.60	< 0.03	-39.7	< 0.04	-43.39	< 0.01	-44.31	< 0.01	-45.47	< 0.001
CRP	-28.29	< 0.02	-30.31	< 0.05	-32.92	< 0.01	-33.31	< 0.01	-34.21	< 0.001

CRP: C-reactive protein; ESR: Erythrocyte sedimentation rate; HHS: Harris Hip score.