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Table 4 Ovarian cancer overall survival, TTD, and TTNT estimates

From: A real-world study on characteristics, treatments and outcomes in US patients with advanced stage ovarian cancer

  Estimate 95% CI N of events N remaining at risk
Total number of events n/a n/a 3051 5323
Median OS (years) 4.496 (4.172- 4.862) n/a n/a
1-year survival rate 78.4% (77.5% - 79.3%) 1648 5032
3-year survival rate 58.9% (57.6% - 60.2%) 2643 2120
5-year survival rate 47.7% (46.2% - 49.3%) 2951 885
Advanced stage ovarian cancer cohort, TTD
Total number of events n/a n/a 4951 58
Median TTE (years) 0.304 ---* n/a n/a
1-year "survival" rate 8.3% (7.6%, 9.1%) 4561 407
Advanced stage ovarian cancer cohort, TTNT
Total number of events n/a n/a 3762 1247
Median TTE (years) 0.46 (0.460, 0.526) n/a n/a
1-year "survival" rate 31.9% (30.6%, 33.3%) 3152 1231
  1. Abbreviations: TTD Time to treatment discontinuation, TTNT Time to next treatment, CI Confidence interval, N Number, TTE Time to event, OS Overall survival
  2. n/a Not applicable
  3. *was not evaluable