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

Table 2 Resident assessment instrument home care (RAI-HC) diagnoses ¹ compared with hospital administrative record diagnoses, Ontario and Yukon, 2007–2011 (n = 128,448) - prevalence, sensitivity, specificity, positive predictive value and kappa

	RAI-HC cases % (n)	DAD or NACRS cases % (n)	Sensitivity (95% CI)	Specificity (95% CI)	PPV (95% CI)	Kappa (95% CI)
Diabetes mellitus	27.5 (35,360)	27.9 (35,841)	.90 (.89, .90)	.96 (.96, .97)	.91 (.90, .91)	.86 (.86, .87)
Reactive airway disease²	20.9 (26,832)	12.3 (15,747)	.76 (.75, .76)	.87 (.87, .87)	.44 (.44, .45)	.48 (.47, .49)
Stroke	20.8 (26,666)	8.2 (10,579)	.76 (.76, .77)	.84 (.84, .84)	.30 (.30, .31)	.36 (.35, .37)
Alzheimer’s disease and other dementia	19.8 (25,464)	14.0 (17,996)	.76 (.75, .76)	.89 (.89, .89)	.53 (.53, .54)	.55 (.55, .56)
Heart failure	17.0 (21,883)	14.0 (17,922)	.61 (.60, .61)	.90 (.90, .90)	.50 (.49, .50)	.46 (.46, .47)
Parkinson disease	3.8 (4,847)	2.7 (3,451)	.83 (.81, .84)	.98 (.98, .99)	.59 (.58, .60)	.68 (.67, .69)
Traumatic brain injury	1.3 (1,716)	1.3 (1,665)	.23 (.21, .25)	.99 (.99, .99)	.22 (.20, .24)	.22 (.20, .24)
Multiple sclerosis	0.8 (1,071)	0.7 (923)	.90 (.87, .91)	1.00 -	.77 (.74, .80)	.83 (.81, .85)

¹Refer to Additional file 1: Table S2 for items used for disease diagnoses on the RAI-HC.
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-HC Resident assessment instrument – home care.

ISSN: 1472-6963