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Table 1 Demographic characteristics of the patients

From: Colon metal stents as a bridge to surgery had no significant effects on the perineural invasion: a retrospective study

CharacteristicSBTS (n = 43), n (%)/mean ± sdES (n = 63), n (%)/mean ± sdStatisticP
Age (years)62.19 ± 12.7263.94 ± 12.43− 0.705a0.668
Sex  0.151b0.697
 Male25 (58.1)39 (61.9)  
 Female18 (41.9)24 (38.1)  
BMI22.5 ± 3.0622.5 ± 2.770.008a0.194
ASA score  0.172b0.917
 II30 (69.8)46 (73.0)  
 III12 (27.9)16 (25.4)  
 IV1 (2.3)1 (1.6)  
Comorbidity8 (18.6)13 (20.6)0.066b0.797
 Hypertension4 (9.3)8 (12.7)  
 Diabetes2 (4.7)2 (3.2)  
 Coronary heart disease2 (4.6)4 (6.3)  
 Cerebral infarction0 (0)1 (1.6)  
 Schistosomiasis0 (0)2 (3.2)  
 Cirrhosis0 (0)1 (1.6)  
 Hypoalbuminemia1 (2.3)0 (0)  
  1. ASA score American Society of Anesthesiologists score, sd standard deviation
  2. at-test
  3. bChi-square test