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Table 1 Baseline and clinical characteristics of the study population, AJCC

From: Routine preoperative mechanical bowel preparation with additive oral antibiotics is associated with a reduced risk of anastomotic leakage in patients undergoing elective oncologic resection for colorectal cancer

Characteristics MBP + AB MBP − AB p value
N 125 371  
Sex
 Female 69 (55.2%) 148 (39.9%) 0.03
 Male 56 (44.8%) 223 (60.1%)
Median age 73.0 years 70.0 years 0.10
Range 21–91 years 31–92 years
Location
 Right colon 62 (49.6%) 138 (37.2%) 0.06
 Left colon 34 (27.2%) 94 (25.3%)
 Rectum 29 (22.2%) 139 (37.5%)
AJCC tumor stage (pT)
 1 11 (8.80%) 42 (11.3%) p > 0.05
 2 24 (19.2%) 81 (21.8%)
 3 70 (56.0%) 191 (51.5%)
 4 20 (16.0%) 57 (15.4%)
AJCC nodal stage (pN)
 0 79 (63.2%) 211 (56.9%) p > 0.05
 1 29 (23.2%) 105 (28.3%)
 2 17 (13.6%) 55 (14.8%)
UICC
 I 28 (22.4%) 96 (25.8%) p > 0.05
 II 47 (37.6%) 106 (28.6%)
 III 33 (26.4%) 103 (27.8%)
 IV 17 (13.6%) 66 (17.8%)