Comparative Evaluation of Different Numerical Pain Scales Used for Pain Estimation during Debonding of Orthodontic Brackets

Table 4

Regression analysis for VAS with treatment group.

	Mean	Lower	Upper	β	R Square	Adjusted R^2	value
Total VAS	8.77	7.31	10.62	0.27	0.14	0.14	0.03
Upper VAS	6.99	5.96	7.34	0.36	0.13	0.13	0.04
Upper right	6.14	5.30	7.04	0.34	0.16	0.12	0.06
Upper left	7.84	7.75	8.12	0.37	0.14	0.14	0.04
Upper anterior	7.97	7.44	8.06	0.41	0.17	0.13	0.02
Upper posterior	7.34	6.45	8.46	0.28	0.18	0.14	0.03
Lower VAS	10.51	6.31	14.71	0.36	0.14	0.14	0.04
Lower right	10.10	5.94	14.26	0.34	0.12	0.12	0.06
Lower left	10.91	6.57	15.25	0.37	0.17	0.15	0.04
Lower anterior	11.35	7.01	15.69	0.43	0.14	0.13	0.02
Lower posterior	10.86	7.31	14.64	0.36	0.16	0.14	0.03