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Table 3 Results of the cox model

From: Mortality in nursing home residents stratified according to subtype of dementia: a longitudinal study over three years

Covariates Bivariate models Multiple models
HR (95% CI) p-value HR (95% CI) p-value
Dementia diagnosis
 No dementia 1.36 (1.07; 1.71) 0.011 1.44 (1.08; 1.92) 0.012
 AD 1   1  
 VaD 0.85 (0.58; 1.25) 0.416 0.81 (0.55; 1.20) 0.293
 AD/VaD 0.97 (0.64; 1.47) 0.887 0.91 (0.60; 1.38) 0.648
 FTD 1.08 (0.79; 1.48) 0.639 1.18 (0.86; 1.62) 0.305
 DLB/PDD 0.92 (0.61; 1.39) 0.680 0.74 (0.49; 1.13) 0.168
 Unspecified dementia 1.79 (1.19; 2.70) 0.005 1.76 (1.17; 2.67) 0.007
Patient characteristics
 Age at admission 1.03 (1.02; 1.05) <0.001 1.04 (1.03; 1.05) <0.001
 Gender, male 1.24 (1.05; 1.47) 0.014 1.32 (1.10; 1.58) 0.003
 Lived alone before admission, no 1.12 (0.94; 1.34) 0.202 1.09 (0.90; 1.33) 0.360
Time dependent variables
 GMHR, good or excellent 0.64 (0.54; 0.76) <0.001 0.80 (0.67; 0.96) 0.018
 PSMS 1.10 (1.08; 1.12) <0.001 1.10 (1.08; 1.13) <0.001
 NPI-AGI 1.00 (0.99; 1.01) 0.905 0.99 (0.97; 1.00) 0.056
 NPI- PSY 1.02 (1.00; 1.04) 0.142 1.02 (1.00; 1.04) 0.234
 NPI-AFF 1.02 (1.00; 1.03) 0.026 1.02 (1.00; 1.04) 0.022
 CDR-SoB 1.03 (1.01; 1.06) 0.002 1.00 (0.97; 1.03) 0.891
  1. HR Hazard ratio, CI Confidence interval, AD Alzheimer’s disease, VaD vascular dementia, FTD frontotemporal dementia, DLB dementia with Lewy bodies, PD Parkinson’s disease dementia, GMHR General medical health rating, PSMS Physical self-maintenance scale, NPI Neuropsychiatric inventory, NPI-AGI NPI sub-syndromes agitation/aggression, disinhibition and irritability, NPI-PSY NPI sub-syndromes delusions and hallucinations, NPI-AFF NPI sub-syndromes depression and anxiety, CDR-SoB Clinical dementia rating scale – sum of boxes, CI Confidence interval