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Table 3 Comparison of the pathological and postoperative characteristics of good responders and poor responders

From: Predicting prognosis according to preoperative chemotherapy response in patients with locally advanced lower rectal cancer

 Good responders
(N = 47)
Poor responders
(N = 55)
p
ypT stage, N (%)
 T0–225 (53.2)14 (25.5)0.004
 T3 and T422 (46.8)41 (74.5) 
ypN stage, N (%)
 Negative32 (68.1)32 (58.2)0.30
 Positive15 (31.9)23 (41.8) 
Pathological LPLN, N (%)
 Negative40 (85.1)43 (78.2)0.37
 Positive7 (14.9)12 (21.8) 
Histological type, N (%)
 Well and moderately differentiated45 (95.7)51 (92.7)0.42
 Poorly differentiated2 (4.3)4 (7.3) 
Pathological CRM, N (%)
 Negative42 (89.4)48 (87.3)0.74
 Positive5 (10.6)7 (12.7) 
Distal margin, N (%)
 Negative47 (100.0)54 (98.2)0.54
 Positive0 (0.0)1 (1.8) 
Adjuvant chemotherapy, N (%)
 Absence3 (6.4)6 (10.9)0.33
 Presence44 (93.6)49 (89.1) 
  1. LPLN lateral pelvic lymph node, CRM circumferential resection margin