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Table 1 Patient demographics and clinical characteristics for patients of CN and NS group

From: Metastatic renal cell carcinoma patients of T4 stage who are in status of N1 stage or older than 76 years cannot benefit from cytoreductive nephrectomy

  CN (N = 6043) NS (N = 489) Overall (N = 6532)
Age (years)
 Mean (SD) 60.7 (11.5) 69.5 (12.9) 61.3 (11.8)
 Median [Min, Max] 61.0 [8.00, 95.0] 71.0 [32.0, 95.0] 61.0 [8.00, 95.0]
Sex
 Female 1798 (29.8%) 193 (39.5%) 1991 (30.5%)
 Male 4245 (70.2%) 296 (60.5%) 4541 (69.5%)
Race
 Black 478 (7.9%) 71 (14.5%) 549 (8.4%)
 Other 439 (7.3%) 42 (8.6%) 481 (7.4%)
 White 5126 (84.8%) 376 (76.9%) 5502 (84.2%)
T stage
 T1 749 (12.4%) 180 (36.8%) 929 (14.2%)
 T2 886 (14.7%) 121 (24.7%) 1007 (15.4%)
 T3 3926 (65.0%) 134 (27.4%) 4060 (62.2%)
 T4 482 (8.0%) 54 (11.0%) 536 (8.2%)
N stage
 N0 4243 (70.2%) 324 (66.3%) 4567 (69.9%)
 N1 1800 (29.8%) 165 (33.7%) 1965 (30.1%)
Histologic type
 Chromophobe 74 (1.2%) 2 (0.4%) 76 (1.2%)
 Clear Cell 4582 (75.8%) 401 (82.0%) 4983 (76.3%)
 Papillary 314 (5.2%) 14 (2.9%) 328 (5.0%)
 other 1073 (17.8%) 72 (14.7%) 1145 (17.5%)
Survival time (months)
 Mean (SD) 26.6 (28.6) 11.8 (18.9) 25.5 (28.3)
 Median [Min, Max] 17.0 [0, 155] 5.00 [0, 130] 15.0 [0, 155]