Proposition of a corrected measure of the Lawton instrumental activities of daily living score

BMC Geriatrics

Table 3 Indicators derived from Bland-Altman analyses

	Mean difference (d)	SD	Lower limits agreement	Upper limits agreement	% of observations inside limits agreement	ICC	95% CI ICC
Total	−0.35	0.70	−1.72	1.01	93.52	0.98	0.978–0.982
Sex
Men	−0.77	0.93	−2.61	1.07	94.77	0.96	0.956–0.966
Women	−0.10	0.25	−0.59	0.40	93.28	0.99	0.997–0.998
Diagnosis
Absence of trouble	−0.77	0.97	−2.68	1.13	93.75	0.93	0.801–0.976
Subjective cognitive complaint	−0.42	0.79	−1.97	1.13	92.90	0.97	0.962–0.972
Mild Neurocognitive disorder	−0.40	0.76	−1.97	1.12	93.71	0.97	0.966–0.975
Major neurocognitive disorder	−0.27	0.55	−1.35	0.81	94.46	0.98	0.98–0.984
Other case	−0.25	0.43	−1.10	0.60	100.00	0.99	0.965–0.998

SD standard deviation of the mean difference, ICC intra-class correlation coefficient

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