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Table 1 Clinicopathological characteristics of 229 patients receiving abdominoperineal resection

From: Risk factors for delayed perineal wound healing and its impact on prolonged hospital stay after abdominoperineal resection

 No. (%)
Age (years old)
 Median ± S.D.69.6 ± 13.0
 Range19–95
Gender
 Male146 (63.8)
 Female83 (36.2)
Smoking
 Current smoker38 (16.6)
 Previous smoker23 (10.0)
BMI (kg/m2)
 Median ± S.D.23.9 ± 3.84
 Range15–41
 Underweight (< 18.5)9 (3.9)
 Overweight (> 25)86 (37.6)
Comorbidities
 Hypertension99 (43.2)
 Diabetics39 (17.0)
 Congestive heart failure37 (16.2)
 COPD10 (4.4)
 Uremia9 (3.9)
 Liver cirrhosis3 (1.3)
Hypoalbuminemia (< 3.5 g/dL)38 (16.6)
Elevated CEA level (> 5 ng/mL)79 (34.5)
Neoadjuvant radiotherapy76 (33.2)
Pathology of anorectum
 Adenocarcinoma213 (93.1)
 SCC6 (2.6)
 Melanoma6 (2.6)
 GIST3 (1.3)
 Neuroendocrine carcinoma1 (0.4)
  1. BMI body mass index, COPD chronic obstructive pulmonary disease, CEA carcinoembryonic antigen, SCC squamous cell carcinoma, GIST gastrointestinal stromal tumor, CCRT concurrent chemoradiotherapy