German version of the Chedoke McMaster arm and hand activity inventory (CAHAI-G): intra-rater reliability and responsiveness

Table 3 ICCs and measures of responsiveness for all four CAHAI-G versions

		CAHAI-G 7	CAHAI-G 8	CAHAI-G 9	CAHAI-G 13
ICC (2,1)		0.991	0.991	0.992	0.993
CI		0.984–0.996	0.984–0.995	0.985–0.996	0.988–0.997
MDC₉₀		5.3	6.0	6.1	8.2
Pearson’s correlation coefficients		0.365	0.409^a	0.500^b	0.597^b
AUC/MCID	A) GRCh-P	0.603 / 4.5	0.536 / 2.5	0.571 / 2.5	0.599 / 2.5
	B) GRCh-T	0.510 / 3.0	0.483 / 3.5	0.521 / 5.5	0.590 / 5.0
	C) GRCo	0.543 / 3.5	0.526 / 3.5	0.531 / 4.0	0.554 / 9.0

Legend: ICC intraclass correlation coefficient, CI confidence interval (95% confidence level), MDC₉₀ Minimal Detectable Change with a confidence interval of 90%, AUC Area Under Curve, MCID Minimal Clinical Important Difference, Global Rating of Change-P Global Rating of Change – rated by the patients, Global Rating of Change-T Global Rating of Change-rated by the therapists, GRCo Global Rating of Contrast (rated by the patients), ^acorrelation is significant at the 0.05 level (2-tailed), ^bcorrelation is significant at the 0.01 level (2-tailed.

ISSN: 1477-7525