Skip to main content

Table 1 Characteristics of patients with Stage IV kidney cancer, stratified by treatment group

From: Determinants of treatment in patients with stage IV renal cell carcinoma

 All PatientsaPatients surviving ≥ 6 months
 No treatmentSurgery onlyST onlySurgery + ST No treatmentSurgery onlyST onlySurgery + ST 
Variable(n = 486)(n = 139)(n = 214)(n = 110)P-value(n = 237)(n = 146)(n = 164)(n = 71)P-value
Age at diagnosis   < 0.001    < 0.001
Mean (SD)78.7 (7.43)73.0 (5.39)75.3 (5.67)72.2 (5.26) 77.6 (7.39)73.5 (5.31)75.5 (5.6)72.2 (5.19) 
Sex    0.017    0.121
Male238 (49.0%)70 (50.4%)120 (56.1%)71 (64.5%) 59 (49.6%)50 (48.5%)74 (56.9%)60 (63.2%) 
Female248 (51.0%)69 (49.6%)94 (43.9%)39 (35.5%) 60 (50.4%)53 (51.5%)56 (43.1%)35 (36.8%) 
Race    0.19    0.222
White388 (79.8%)119 (85.6%)163 (76.2%)89 (80.9%) 95 (79.8%)89 (86.4%)98 (75.4%)76 (80%) 
Other98 (20.2%)20 (14.4%)51 (23.8%)21 (19.1%) 24 (20.2%)14 (13.6%)32 (24.6%)19 (20%) 
Urban/rural code   0.424    0.119
Big metro232 (47.7%)61 (43.9%)98 (45.8%)62 (56.4%) 58 (48.7%)46 (44.7%)53 (40.8%)54 (56.8%) 
Metro/urban184 (37.9%)53 (38.1%)88 (41.1%)35 (31.8%) n/an/an/an/a 
Less urban/rural70 (14.4%)25 (18.0%)28 (13.1%)13 (11.8%) n/an/an/an/a 
Othern/an/an/an/a 61 (51.3%)57 (55.3%)77 (59.2%)41 (43.2%) 
Marital status   < 0.001    < 0.001
Unmarried304 (62.6%)69 (49.6%)103 (48.1%)33 (30.0%) 65 (54.6%)51 (49.5%)67 (51.5%)26 (27.4%) 
Married182 (37.4%)70 (50.4%)111 (51.9%)77 (70.0%) 54 (45.4%)52 (50.5%)63 (48.5%)69 (72.6%) 
Charlson comorbidity index  < 0.001    0.056
Mean (SD)1.5 (1.76)0.9 (1.31)1.1 (1.34)1.0 (1.48) 1.2 (1.58)0.9 (1.4)1.2 (1.35)1.0 (1.4) 
  1. ST systemic therapy
  2. aSubgroup for the landmark analysis at 6 months (n = 447): No treatment (n = 119); Surgery only (n = 103); ST only (n = 130); Surgery + ST (n = 95)