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Table 2 Cross tabulation of the variables according to LNR and positive LN

From: Lymph-node ratio is an independent prognostic factor in patients with stage III colorectal cancer: a retrospective study from the Middle East

Characteristics LNR N (%) P-value Positive LN P-value
  0 – 0.4 > 0.4   1 – 3 4+  
Age 38 (69.1) 17 (30.9) 0.743 31 (55.4) 25 (44.6) 0.32
 <50 25 (78.1) 7 (21.9)   17 (53.1) 15 (46.9)  
 50 to 60 28 (77.8) 8 (22.2)   26 (72.2) 10 (27.8)  
 61 to 70 26 (74.3) 9 (25.7)   22 (62.9) 13 (37.1)  
 > 71       
Stage III       
 IIIA 12 (100) 0 (0) < 0.001 13 (100) 0 (0) < 0.01
 IIIB 95 (88) 13 (12)   81 (75) 27 (25)  
 IIIC 10 (26.3) 28 (73.7)   2 (5.3) 36 (94.7)  
Adjuvant chemotherapy       
 No 58 (71.6) 23 (28.4) 0.356 50 (61.7) 31 (38.3) 0.73
 Yes 31 (79.5) 8 (20.5)   26 (65) 14 (35)  
Gender       
 Female 65 (80.2) 16 (19.8) 0.068 44 (57.1) 33 (42.9) 0.42
 Male 52 (67.5) 25 (32.5)   52 (63.4) 30 (36.6)  
LNs resected       
 0 – 11 25 (71.4) 10 (28.6) 0.688 27 (77.1) 8 (22.9) 0.02
 ≥ 12 92 (74.8) 31 (25.2)   68 (55.3) 55 (44.7)  
Grade       
 Well-differentiated 6 (100) 0 (0) 0.002 5 (83.3) 1 (16.7) 0.21
 Moderately differentiated 75 (82.4) 16 (17.6)   58 (63) 34 (37)  
 Poorly differentiated 29 (58) 21 (42)   26 (52) 24 (48)  
Recurrence       
 No 23 (76.7) 7 (23.3) 0.923 16 (53.3) 14 (46.7) 0.11
 Yes 50 (75.8) 16 (24.2)   47 (70.1) 20 (29.9)  
  1. LNs, Lymph Nodes.