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Table 5 Cox proportional hazards analysis of insurance status associated with prostate cancer-cause specific survival by era and stage

From: Changes in prostate cancer survival among insured patients in relation to USPSTF screening recommendations

  Sample size no. (%) Adjusted HR (95% CI) p-value
Pre-USPSTF Era (2010–2012)
Insurance status for localized PCa
 Insured 99,138 (93.48) 1 (Referent)  
 Medicaid 5,153 (4.86) 1.373 (1.060–1.778) 0.016
 Uninsured 1,762 (1.66) 1.089 (0.657–1.803) 0.742
Insurance status for regional PCa
 Insured 17,031 (92.90) 1 (Referent)  
 Medicaid 952 (5.19) 1.474 (0.985–2.207) 0.059
 Uninsured 350 (1.91) 1.556 (0.758–3.191) 0.228
Insurance status for distant PCa
 Insured 5,813 (82.51) 1 (Referent)  
 Medicaid 895 (12.70) 1.254 (1.080–1.457) 0.003
 Uninsured 337 (4.78) 1.244 (1.002–1.545) 0.048
Post-USPSTF Era (2014–2016)
Insurance status for localized PCa
 Insured 75,388 (92.42) 1 (Referent)  
 Medicaid 5,199 (6.37) 0.999 (0.633–1.575) 0.995
 Uninsured 987 (1.21) 0.805 (0.256–2.531) 0.711
Insurance status for regional PCa
 Insured 16,855 (92.25) 1 (Referent)  
 Medicaid 1,230 (6.73) 1.662 (1.000–2.761) 0.050
 Uninsured 186 (1.02) N/A N/A
Insurance status for distant PCa
 Insured 7,859 (83.06) 1 (Referent)  
 Medicaid 1,346 (14.23) 1.242 (1.023–1.506) 0.028
 Uninsured 257 (2.72) 1.048 (0.693–1.586) 0.824