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Table 2 Clinical and pathologic characteristics of CRC by number of examined lymph nodes

From: Lymph nodes’ evaluation in relation to colorectal cancer staging among African Americans

  ≤12 LNs n = 67-76 >12 LNs n = 121-136 P value
Age, median (Interquartile range) 68 (56–77) 61 (62–69) 0.002
Male, no (%) 42 (55) 63 (46) 0.2
Location    0.3
 Ascending 28 (37 %) 56 (42 %)  
 Transverse 9 (12 %) 12 (9 %)  
 Descending 6 (8 %) 20 (15 %)  
 Rectosigmoid 32 (43 %) 45 (34 %)  
Chemotherapy before surgery, no (%) 7 (9 %) 4 (3 %) 0.05
Radiotherapy before surgery, no (%) 7 (9 %) 4 (3 %) 0.05
Tumor largest size, Median (interquartile) cm 4.0 (3.0-5.5) 4.5 (3.0-5.7) 0.4
Specimen largest size, Median (interquartile) cm 31 (18–67) 33 (23–60) 0.9
Number of metastatic LNs, Median (interquartile) 0 (0–1) 0 (0–2) 0.1
Ratio of metastatic LNs to total LN examined, Median (interquartile) 0 (0–0.14) 0 (0–0.09) 0.6