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. 2023 Jan 23;23:74. doi: 10.1186/s12885-023-10546-6

Table 2.

Median OS and PFS using pseudo IPD from Kaplan-Meier curves

Population Frequentist analyses Bayesian fractional polynomial meta-analyses
Median OS Months (95% CI) Median PFS Months (95% CI) Median OS Months (95% CI) Median PFS Months (95% CI)
≥3rd line 55.34 (46.60, 76.00) 10.09 (9.25, 11.10) 56.57 (47.8–68.78) 9.78 (9.01–10.63)
≥4th line 40.63 (32.58, 52.12) 8.41 (7.47, 9.48) 39.89 (31.79–51.94) 8.11 (7.3–9.04)
Representative cohorts ≥3rd line 57.94 (46.60, 78.41) 9.99(8.62, 11.10) 58.67 (48.56–72.47) 9.43 (8.57–10.4)
Representative cohorts ≥4th line 42.02 (34.80, 55.34) 8.33 (7.11, 9.56) 41.63 (32.93–55.12) 7.9 (7.02–8.93)

*Frequentist results and median as estimated using Bayesian fractional polynomials