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. 2018 Jan 9;8:202. doi: 10.1038/s41598-017-18466-9

Table 1.

Baseline description of renal cell carcinoma patients with or without capsular invasion according to pre- and post-propensity matching.

Pre-propensity cohort Post-propensity cohort
RCI (−) RCI (+) P value RCI (−) RCI (+) P value
Age (years) 55.5 ± 12.6 57.2 ± 12.4 0.0032 55 ± 13 56.6 ± 12.6 0.0795
BMI 24.6 ± 3.3 24.5 ± 3.1 0.3677 24.7 ± 3.3 24.9 ± 3 0.3214
Sex 0.9549 0.0584
 Male 1532 (71.92) 433 (71.81) 838 (73.19) 169 (73.8)
 Female 598 (28.08) 170 (28.19) 307 (26.81) 60 (26.2)
DM 0.1511 0.0584
 No 1668 (83.86) 438 (81.26) 961 (84.15) 181 (79.04)
Yes 321 (16.14) 101 (18.74) 181 (15.85) 48 (20.96)
HTN 0.1616 0.476
 No 1218 (62.02) 314 (58.69) 716 (63.2) 139 (60.7)
 Yes 746 (37.98) 221 (41.31) 417 (36.8) 90 (39.3)
CKD 0.3148 0.1759
 No 1937 (98.27) 533 (98.89) 1117 (98.41) 228 (99.56)
 Yes 34 (1.73) 6 (1.11) 18 (1.59) 1 (0.44)
Smoking status 0.0653 0.0791
 Non-smoker 1016 (60.23) 243 (59.41) 629 (56.92) 135 (59.47)
 Ex-smoker 301 (17.84) 91 (22.25) 205 (18.55) 51 (22.47)
 Current smoker 370 (21.93) 75 (18.34) 271 (24.52) 41 (18.06)
ECOG_index 0.0987 0.794
 0 1815 (86.59) 510 (85.57) 983 (87.53) 200 (88.5)
 1 259 (12.36) 73 (12.25) 124 (11.04) 24 (10.62)
 2 22 (1.05) 13 (2.18) 16 (1.42) 2 (0.88)
Fuhrman grade <0.0001 0.8018
 1 & 2 1347 (63.9) 316 (52.93) 703 (61.4) 139 (60.7)
 3 706 (33.49) 233 (39.03) 424 (37.03) 85 (37.12)
 4 55 (2.61) 48 (8.04) 18 (1.57) 5 (2.18)
Sarcomatoid differentiation <0.0001 0.7765
 No 1387 (98.86) 332 (94.05) 1137 (99.3) 227 (99.13)
 Yes 16 (1.14) 21 (5.95) 8 (0.7) 2 (0.87)
 Tumor size 31.4 (30.5–32.3) 43.3 (41.1–45.7) <0.0001 30.9 (29.9–32) 32 (29.9–34.3) 0.4049