Non-invasive assessment of vibration perception and protective sensation in people with diabetes mellitus: inter- and intra-rater reliability

Table 3 Inter-rater reliabilty of neurological tests reported as Cohen’s or Fleiss’ K and SE with 95%CI and p-values

Inter-rater reliability between pairs of raters (n = 50)
	Rater 1 & 2				Rater 1 & 3				Rater 2 & 3
Test	K	SE	95% CI	P	K	SE	95% CI	P	K	SE	95% CI	P
VPT	0.78	0.9	0.59 to 0.96	< 0.01	0.59	0.13	0.33 to 0.84	< 0.01	0.48	0.14	0.21 to 0.75	< 0.01
Monofilament [4]	0.55	0.12	0.31 to 0.78	< 0.01	0.57	0.12	0.33 to 0.80	< 0.01	0.72	0.10	0.53 to 0.91	< 0.01
Monofilament [10]	0.57	0.14	0.30 to0.84	< 0.01	0.50	0.14	0.18 to 0.82	< 0.01	0.57	0.16	0.17 to 0.83	< 0.01
Inter-rater reliability between 3 raters (n = 50)
Test	К	SE	95% CI	P
VPT	0.61	0.08	0.45 to 0.77	< 0.01
Monofilament [4]	0.61	0.08	0.45 to 0.77	0.01
Monofilament [10]	0.54	0.08	0.38 to 0.70	0.02
Inter-rater reliability for tuning fork between 2 raters (n = 24)
	T1 & T2 (K)	SE	95% CI	P
Conventional (on/off)	0.63	0.17	0.30 to 0.96	< 0.01
Conventional (dampened)	0.66	0.15	0.37 to 0.95	< 0.01
Graduated	0.68	0.14	0.41 to 0.95	< 0.01

ISSN: 1757-1146