Research Article

Clinical Efficacy of PD-1 Inhibitors Plus Split-Course Radiotherapy in the First-Line Treatment of Advanced Kidney Cancer: A Randomized Controlled Trial

Table 1

Baseline demographics and clinical characteristics.

Control group (n = 22)Study group (n = 22)t/χ2

Age (, years)62.34 ± 15.6760.94 ± 13.670.3160.754

Gender (n)0.8200.183
 Male129
 Female1013

KPS scores0.7020.873
 7034
 8066
 9089
 10053

Evaluable disease sites0.6110.434
 135
 ≥21917

Histology (n)0.1400.709
 Squamous45
 Nonsquamous1817

Brain metastasis (n)0.5180.472
 Yes46
 No1816

Stage (n)0.3930.531
 III79
 IV1513

ECOG score (n)0.3670.545
 1911
 21311