Diagnostic data for neurological conditions in interRAI assessments in home care, nursing home and mental health care settings: a validity study

Table 4 Resident assessment instrument mental health (RAI-MH) diagnoses ¹ compared with administrative record diagnoses, Ontario, 2005–2010 (N = 13,812) - prevalence, sensitivity, specificity, positive predictive value and kappa

	RAI-MH cases % (n)	DAD or NACRS cases % (n)	Sensitivity (95% CI)	Specificity (95% CI)	PPV (95% CI)	Kappa (95% CI)
Diabetes mellitus	16.0 (2,207)	15.7 (2,164)	.78 (.76, .80)	.96 (.95, .96)	.77 (.75, .79)	.73 (.72, .75)
Reactive airway disease²	9.9 (1,365)	4.4 (604)	.61 (.57, .65)	.93 (.92, .93)	.27 (.25, .30)	.34 (.31, .36)
Stroke	1.2 (170)	1.3 (178)	.20 (.16, .27)	.99 (.99, .99)	.21 (.15, .28)	.20 (.14, .25)
Alzheimer’s disease and other dementia	14.2 (1,959)	7.8 (1,083)	.84 (.82, .86)	.92 (.91, .92)	.46 (.44, .49)	.55 (.53, .57)
Heart failure	1.6 (226)	1.6 (224)	.42 (.35, .49)	.99 (.99, .99)	.42 (.35, .48)	.41 (.35, .47)
Parkinson disease	1.6 (218)	1.6 (223)	.54 (.47, .60)	.99 (.99, .99)	.55 (.48, .62)	.54 (.48, .59)
Traumatic brain injury	0.4 (62)	1.0 (132)	.26 (.19, .34)	1.00 -	.55 (.42, .68)	.35 (.26, .44)
Multiple sclerosis	0.6 (76)	0.4 (51)	.77 (.63, .87)	1.00 -	.51 (.40, .63)	.61 (.51, .71)
Epilepsy	2.9 (406)	2.0 (273)	.41 (.35, .47)	.98 (.98, .98)	.27 (.23, .32)	.31 (.26, .36)

¹Refer to Additional file 1: Table S2 for items used for disease diagnoses on the RAI-MH.
²Includes: Asthma, Chronic Obstructive Pulmonary Disease (COPD), and Emphysema.
Abbreviations: CI Confidence interval, DAD Discharge abstract database, K Kappa statistic, NACRS National ambulatory care reporting system, PPV Positive predictive value, RAI-MH Resident assessment instrument – mental health.

ISSN: 1472-6963