Table 4.

Adjusted HRs and 95% CIs from multivariable Cox regression, 1-year and 2- to 5-year survival, by location of care, stratified by primary diagnosis

TIDaDNGNHTNa
HR95% CIHR95% CIHR95% CIHR95% CI
1-year survival
    n (%)328 (12.7)1298 (50.2)625 (24.2)336 (13.0)
    urbanReferenceReferenceReferenceReference
    LC-near0.11b0.02, 0.810.27c0.14, 0.520.18b0.04, 0.760.370.11, 1.17
    LC-far0.28d0.13, 0.600.400.09, 1.67
2- to 5-year survival
    n (%)266 (12.3)1100 (50.8)547 (25.3)253 (11.7)
    urbanReferenceReferenceReferenceReference
    LC-near0.40b0.16, 0.980.63c0.49, 0.810.940.54, 1.650.930.50, 1.75
    LC-far1.340.53, 3.360.63d0.47, 0.851.010.53, 1.920.650.20, 2.08
  • Minimum of at least 30 days of survival and 3 years of observation. All models adjusted for sex, age, primary diagnosis, race, and treatment period. TID, tubulointerstitial disease; DN, diabetic nephropathy; GN, nondiabetic glomerular disease; HTN, primary hypertension.

  • a LC-near and LC-far cases collapsed because of small cell sizes for TID and HTN in 1-year survival models

  • b P < 0.05.

  • c P < 0.001.

  • d P < 01.