Table 4.

Survival outcome in each risk group classified by the Japanese Metastatic Renal Cancer prognostic classification (original data)

Risk group	n (%)	Median OS (months)	2‐year OS (95% CI)
Favorable	120 (33)	51	77 (72–81)
Intermediate	101 (28)	21	50 (44–55)
Poor	102 (28)	10	29 (25–34)
Unclassified	38 (11)	36	63 (58–68)

Favorable risk, poor prognostic factor = 0 or 1; intermediate risk, poor prognostic factor = 2; poor risk, poor prognostic factor = 3 or 4; CI, confidence interval; OS, overall survival.