marginally significantP = 0.055
38%) was marginally significant between the PCI group and the non-PCI group ( P = 0.055).
38%) was marginally significant between the PCI group and the non-PCI group ( P = 0.055).
In the extensive-stage SCLC group (Additional file 1 : Table S1), there was a trend toward the differential use of PCI based on age, with marginal significance ( P = 0.061).