Comparison of intra-articular injection of parecoxib vs oral administration of celecoxib for the clinical efficacy in the treatment of early knee osteoarthritis

Table 3 Comparison of Hospital for Special Surgery Knee scores in the three groups before and after treatment

Group	Case	HSS scores before treatment							HSS scores before treatment
		Pain	Func-tion	Mobi-lity	Muscle tone	Flexion defor-mity	Stabi-lity	Total score	Pain	Function	Mobi-lity	Muscle tone	Flexion defor-mity	Stabi-lity	Total scores
Group A	37	16.7 ± 2.4	20.2 ± 0.6	14.5 ± 1.0	10	8.4 ± 0.8	9.7 ± 0.7	79.5 ± 2.8	19.0 ± 2.0	20.6 ± 0.9	14.8 ± 0.9	10	8.4 ± 0.8	9.7 ± 0.7	82.5 ± 2.5
Group B	37	16.9 ± 2.5	20.1 ± 0.5	14.5 ±1.2	10	8.6 ± 0.9	9.8 ± 0.6	79.9 ± 3.2	22.3 ± 4.0	21.3 ± 1.0	14.9 ± 1.1	10	8.6 ± 0.9	9.8 ± 0.6	86.9 ± 4.7
Group C	36	17.2 ± 2.5	20.2 ± 0.6	14.3 ± 1.0	10	8.4 ± 0.8	9.7 ± 0.8	79.7 ± 3.3	27.8 ± 2.5	21.5 ± 0.9	15.2 ± 1.0	10	8.4 ± 0.8	9.7 ± 0.8	92.5 ± 3.3
F value		0.34	0.39	0.8	-	0.77	0.31	0.14	80.27	9.67	1.12	-	0.77	0.31	69.17
P value		0.710	0.680	0.452	1	0.466	0.736	0.87	< 0.001	< 0.001a	0.329	1	0.466	0.736	< 0.001

^aIntergroup comparison of single item (Function item) of Hospital for Special Surgery after treatment: there were significant differences in group B and C compared with group A; there were no significant differences between group B and C. Data are presented as mean ± SD. HSS: Hospital for Special Surgery.