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Kaplan‐Meier curves of (a) progression‐free survival and (b) overall survival among four groups: (
) Group 1: PD‐L1<50% + sPD‐L1 < 90 pg/mL (
) Group 2: PD‐L1<50% + sPD‐L1 ≥ 90 pg/mL (
) Group 3: PD‐L1≥50% + sPD‐L1 < 90 pg/mL (
) Group 4: PD‐L1≥50% + sPD‐L1 ≥ 90 pg/mL. sPD‐L1, soluble PD‐L1; PFS, progression‐free survival; OS, overall survival; CI, confidence interval; TPS, tumor proportion score.
