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. Author manuscript; available in PMC: 2021 Jun 30.
Published in final edited form as: Ann Intern Med. 2018 Jun 26;169(2):69–77. doi: 10.7326/M17-0585

Appendix G.

Subanalyses of patients diagnosed 2009–2011 (balanced by year) IPTW-adjusted overall and RCC-specific survival at 1 and 3 years, by treatment type among patients diagnosed 2009–2011.

PA % (95% CI) PN % (95% CI) PA % (95% CI) RN % (95% CI)
RSS
 1-year 99 (99–100) 100 (99–100) 99 (99–100) 99 (98–99)
 3-year 98 (96–100) 99 (98–100) 98 (97–100) 96 (95–98)
OS
 1-year 96 (95–98) 98 (97–98) 95 (93–97) 94 (93–96)
 3-year 90 (87–93) 94 (92–95) 87 (84–90) 86 (83–88)

Notes:

-Survival probabilities generated from an Inverse Probability of Treatment-Weighted (IPTW) Cox model with a time-dependent treatment variable

-First two columns give survival probabilities for PA-PN matched cohorts; second two columns give survival probabilities for PA-RN matched cohorts.

-RCC, renal cell carcinoma; RSS, RCC-specific survival; OS, overall survival; PA, percutaneous ablation; PN, partial nephrectomy; RN, radical nephrectomy

-Results are essentially the same as those from primary analysis