Fig. 3

Kaplan–Meier survival curves according to timing of CIN in landmark group patients (landmark time: 150 days) a The median PFS in CIN absence group, early-onset CIN group, and late-onset CIN group were 3.4 months (95% CI: 2.7–4.1), 7.7 months (95% CI: 6.5–8.9), and 6.3 months (95% CI: 5.9–6.6), respectively. b The median survival in CIN absence group, early-onset CIN group, and late-onset CIN group were 9.5 months (95% CI: 7.9–10.9), 21.9 months (95% CI: 18.1–25.7), and 13.3 months (95% CI: 11.9–14.7), respectively