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Table 1 Characteristics for UTUC patients stratified by lymph node dissection

From: Effect of lymph node dissection on stage-specific survival in patients with upper urinary tract urothelial carcinoma treated with nephroureterectomy

CharacteristicTotalaNo LNDaLNDaP valueb
No. (%)No. (%)No. (%)
Total7278 (100)5317 (73.1)1961 (26.9) 
Age (years) c< 0.001
 Mean ± SD71.9 ± 10.872.4 ± 10.870.7 ± 10.6 
 Median737472 
 Range22–10122–10134–96 
Gender0.904
 Male4295 (59.0)3140 (43.1)1155 (15.9) 
 Female2983 (41.0)2177 (29.9)806 (11.1) 
Race< 0.001
 White6419 (88.2)4744 (65.2)1675 (23.0) 
 Other859 (11.8)573 (7.9)286 (3.9) 
Marital status0.284
 Married4421 (60.7)3205 (44.0)1216 (16.7) 
 Unmarried2588 (35.6)1919 (26.4)669 (9.2) 
 Unknown269 (3.7)193 (2.7)76 (1.0) 
Primary site0.574
 Renal pelvis5032 (69.1)3686 (50.6)1346 (18.5) 
 Ureter2246 (30.9)1631 (22.4)615 (8.5) 
Laterality< 0.001
 Left3665 (50.4)2576 (35.4)1089 (15.0) 
 Right3607 (49.6)2736 (37.6)871 (12.0) 
 Paired6 (<  1%)5 (<  1%)1 (<  1%) 
Tumor size< 0.001
  ≤ 2 cm1178 (16.2)899 (12.4)279 (3.8) 
  > 2 cm5357 (73.6)3833 (52.7)1524 (20.9) 
 Unknown743 (10.2)585 (8.0)158 (2.2) 
Grade< 0.001
 I292 (4.0)249 (3.4)43 (0.6) 
 II1102 (15.1)922 (12.7)180 (2.5) 
 III2096 (28.8)1492 (20.5)604 (8.3) 
 IV3788 (52.0)2654 (36.5)1134 (15.6) 
T stage< 0.001
 T12279 (31.3)1854 (25.5)425 (5.8) 
 T21353 (18.6)1038 (14.3)315 (4.3) 
 T33075 (42.3)2116 (29.1)959 (13.2) 
 T4571 (7.8)309 (4.2)262 (3.6) 
Lymph node status status
 pNx5317 (73.1)5317 (73.1) 
 pN01296 (17.8)1296 (17.8) 
 pN1–3665 (9.1)665 (9.1) 
Chemotherapy< 0.001
 No/Unknown6020 (82.7)4635 (63.7)1385 (19.0) 
 Yes1258 (17.3)682 (9.4)576 (7.9) 
Year of surgery
 2004–20072424 (33.3)1865 (25.6)559 (7.7)< 0.001
 2008–20112451 (33.7)1803 (24.8)648 (8.9) 
 2012–20152403 (33.0)1649 (22.7)754 (10.4) 
  1. aWith percentages in parentheses; bFisher’s exact test or χ2 test, except cStudent’s t test. LND, Lymph Node Dissection