Table 2.

Sensitivity analysis of numeric pain rating scores (NRS).

	Last visit Values				Best Case Values				Worst Case Values				Average Values
	Group I	Group II	Diff.	P value	Group I	Group II	Diff.	P value	Group I	Group II	Diff.	P value	Group I	Group II	Dff.	P value
Baseline	8.22 ± 0.78	7.93 ± 0.99	0.28 ± 0.16	0.085	8.22 ± 0.78	7.93 ± 0.99	0.28 ± 0.16	0.085	8.22 ± 0.78	7.93 ± 0.99	0.28 ± 0.16	0.085	8.22 ± 0.78	7.93 ± 0.99	0.28 ± 0.16	0.085
3 months	3.83* ± 1.29	3.52* ± 1.11	0.32 ± 0.22	0.153	3.83* ± 1.29	3.52* ± 1.11	0.32 ± 0.22	0.153	3.83* ± 1.29	3.52* ± 1.11	0.32 ± 0.22	0.153	3.83* ± 1.29	3.52* ± 1.11	0.32 ± 0.22	0.153
6 months	3.55* ± 1.38	3.28* ± 0.85	0.27 ± 0.21	0.205	3.53* ± 1.42	3.28* ± 0.85	0.25 ± 0.21	0.244	3.97* ± 1.83	3.52* ± 1.32	0.45 ± 0.29	0.125	3.48* ± 1.36	3.28* ± 0.83	0.20 ± 0.21	0.332
12 months	3.57* ± 1.45	3.40* ± 1.08	0.17 ± 0.23	0.477	3.57* ± 1.45	3.40* ± 1.08	0.17 ± 0.23	0.477	4.05* ± 2.10	4.07* ± 1.91	-0.02 ± 0.37	0.964	3.25* ± 1.05	3.40* ± 1.03	-0.15 ± 0.19	0.431
18 months	3.47* ± 1.47	3.33* ± 1.0	0.13 ± 0.23	0.562	3.35* ± 1.42	3.25* ± 1.02	0.10 ± 0.23	0.659	4.45* ± 2.32	4.50* ± 2.07	-0.05 ± 0.40	0.901	3.15* ± 0.73	3.28* ± 0.85	-0.13 ± 0.16	0.358
24 months	3.45* ± 1.48	3.22* ± 0.9	0.23 ± 0.22	0.299	3.37* ± 1.43	3.15* ± 0.92	0.22 ± 0.22	0.324	4.12* ± 2.34	3.78* ± 1.76	0.33 ± 0.88	0.376	3.05* ± 0.95	3.10* ± 0.82	-0.05 ± 0.16	0.757

* indicates significant difference with baseline values