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Table 4 Estimates of prevalence, validation and agreement measures for comorbid conditions in RAI-MDS data for the comorbidity case ascertainment cohort ( N= 4,183)

From: Validity of the RAI-MDS for ascertaining diabetes and comorbid conditions in long-term care facility residents

Condition RAI-MDS Prev. (%) Admin. data prev. (%) Sens. (95% CI) Spec. (95% CI) PPV (95% CI) NPV (95% CI) κ(95% CI)
Hypertension 55.8 57.3 0.68 (0.67, 0.70) 0.61 (0.59, 0.62) 0.70 (0.69, 0.72) 0.59 (0.57, 0.60) 0.29 (0.26, 0.32)
Congestive heart failure 18.7 31.8 0.39 (0.37, 0.40) 0.91 (0.90, 0.92) 0.66 (0.65, 0.68) 0.76 (0.75, 0.77) 0.33 (0.30, 0.37)
Arthritis 42.5 53.0 0.51 (0.49, 0.52) 0.67 0.65, 0.68) 0.63 (0.62, 0.65) 0.55 (0.53, 0.56) 0.17 (0.14, 0.20)
COPD 9.6 13.8 0.44 (0.42, 0.45) 0.96 (0.95, 0.96) 0.63 (0.61, 0.64) 0.91 (0.91, 0.92) 0.45 (0.41, 0.49)
Multiple sclerosis 2.0 1.4 0.92 (0.91, 0.92) 0.99 (0.99, 1.00) 0.65 (0.64, 0.67) 1.00 (1.00, 1.00) 0.76 (0.68, 0.84)
Parkinson`s disease 5.0 5.9 0.61 (0.60, 0.63) 0.99 (0.98, 0.99) 0.72 (0.70, 0.73) 0.98 (0.97, 0.98) 0.64 (0.59, 0.69)
Cardiac dysrhythmia 11.1 26.7 0.27 (0.26, 0.28) 0.95 (0.94, 0.95) 0.65 (0.64, 0.67) 0.78 (0.77, 0.79) 0.27 (0.24, 0.30)
AD/dementia 44.2 31.9 0.71 (0.70, 0.73) 0.69 (0.67, 0.70) 0.52 (0.50, 0.53) 0.84 (0.83, 0.85) 0.36 (0.34, 0.39)
Glaucoma 7.6 7.2 0.53 (0.51, 0.54) 0.96 (0.95, 0.97) 0.50 (0.49, 0.52) 0.96 (0.96, 0.97) 0.48 (0.43, 0.53)
Osteoporosis 13.5 31.4 0.21 (0.20, 0.22) 0.90 (0.89, 0.91) 0.49 (0.47, 0.50) 0.71 (0.70, 0.73) 0.13 (0.10, 0.16)
Hip fracture 10.2 8.9 0.62 (0.60, 0.63) 0.95 (0.94, 0.96) 0.54 (0.52, 0.55) 0.96 (0.96, 0.97) 0.53 (0.49, 0.58)
Stroke/TIA 30.6 45.5 0.65 (0.63, 0.66) 0.81 (0.80, 0.82) 0.53 (0.52, 0.55) 0.87 (0.86, 0.88) 0.42 (0.39, 0.45)
  1. Note: COPD = chronic obstructive pulmonary disease; AD = Alzheimer’s Disease; TIA = transient ischemic attack; Sens. = sensitivity; Spec. = specificity; PPV = positive predictive value; NPV = negative predictive value; CI = confidence interval.