Table 5:

Inter-rater agreement of the complete Hindi version of Douleur neuropathique 4 questionnaire.

	Inter-rate agreement
	Rater 1	Rater 2	ICC (95% CI)	Kappa (95% CI)
Total sample (n=285)	4.28±3.05	4.24±2.96	0.95 (0.94-0.96)	0.82 (0.79-0.85)
NP (n=153)	5.86±2.82	5.82±2.77	0.96 (0.95-0.97)	0.84 (0.79-0.89)
NNP (n=132)	2.45±2.15	2.41±1.96	0.85 (0.79-0.89)	0.65 (0.58-0.72)

Coefficients for the entire questionnaire (10 items) †P>0.05 between raters (Friedman’s paired test), ‡P<0.001 (P for intra-class correlation coefficient), ^§ Kappa using a cutoff value > 4 patients. NP: Neuropathic pain, NNP: Nonneuropathic pain (somatic), ICC: Intra-class correlation coefficient, 95% CI: 95% confidence interval. ^† Friedman, Milton (December 1937). “The use of ranks to avoid the assumption of normality implicit in the analysis of variance”. Journal of the American Statistical Association. 32 (200): 675–701. doi:10.1080/01621459.1937.1050352 ^‡ Donner A, Koval JJ (March 1980). “The estimation of intraclass correlation in the analysis of family data”. Biometrics. 36 (1): 19-25. doi:10.2307/2530491. JSTOR 2530491. ^§ Cohen, Jacob. 1960. “A Coefficient of Agreement for Nominal Scales.” Educational and Psychological Measurement 20 (1): 37-46. doi:10.1177/001316446002000104.