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Table 1 Baseline characteristics

From: Propensity score‐matched comparison of stenting as a bridge to surgery and emergency surgery for acute malignant left‐sided colonic obstruction

  Before propensity score matching After propensity score matching(1:1)
  BTS (n = 49) ES (n = 118) P BTS (n = 49) ES (n = 49) P
Sex    0.152    0.817
 Male 36 (73.5 %) 73 (61.9 %)   36 (73.5 %) 37 (75.5 %)  
 Female 13 (26.5 %) 45 (38.1 %)   13 (26.5 %) 12 (24.5 %)  
Age(mean(SD),y) 68.8 (11.1) 68.3 (12.6) 0.811 68.8 (11.1) 68.8 (13.8) 0.872
Age range (y)    0.843    0.757
 25–59 10 (20.4 %) 26 (22.0 %)   10 (20.4 %) 13 (26.5 %)  
 60–69 18 (36.7 %) 36 (30.5 %)   18 (36.7 %) 15 (30.6 %)  
 70–79 10 (20.4 %) 29 (24.6 %)   10 (20.4 %) 10 (20.4 %)  
 80–95 11 (22.4 %) 27 (22.9 %)   11 (22.4 %) 11 (22.4 %)  
ASA score    0.348    0.399
 I 6 (12.2 %) 28 (23.7 %)   6 (12.2 %) 13 (26.5 %)  
 II 23 (46.9 %) 48 (40.7 %)   23 (46.9 %) 16 (32.7 %)  
 III 17 (34.7 %) 40 (33.9 %)   17 (34.7 %) 18 (36.7 %)  
 IV 3 (6.1 %) 2 (1.7 %)   3 (6.1 %) 2 (4.1 %)  
Comorbidities       
 CAD 9 (18.4 %) 10 (8.5 %) 0.007 9 (18.4 %) 6 (12.2 %) 0.400
 Hypertension 18 (36.7 %) 43 (36.4 %) 0.133 18 (36.7 %) 17 (34.7 %) 0.833
 Diabetes 3 (6.1 %) 18 (15.3 %) 0.333 3 (6.1 %) 5 (10.2 %) 0.461
 CPD 4 (8.2 %) 6 (5.1 %) 0.181 4 (8.2 %) 4 (8.2 %) 1.000
 Renal dysfunction 2 (4.1 %) 5 (4.2 %) 0.705 2 (4.1 %) 3 (6.1 %) 0.646
 Biliary diseases 6 (12.2 %) 14 (11.9 %) 0.412 6 (12.2 %) 5 (10.2 %) 0.749
 CVD 2 (4.1 %) 6 (5.1 %) 0.873 2 (4.1 %) 3 (6.1 %) 0.646
Tumor location    0.086    0.243
 Splenic flexure 8 (16.3 %) 10 (8.5 %)   8 (16.3 %) 5 (10.2 %)  
 Descending colon 6 (12.2 %) 30 (25.4 %)   6 (12.2 %) 12 (24.5 %)  
 Sigmoid colon 35 (71.4 %) 78 (66.1 %)   35 (71.4 %) 32 (65.3 %)  
cTNM stage    0.630    0.560
 I–III 47 (95.9 %) 111 (94.1 %)   47 (95.9 %) 48 (98.0 %)  
 IV 2 (4.1 %) 7 (5.9 %)   2 (4.1 %) 1 (2.0 %)  
  1. CAD coronary artery disease, CPD chronic pulmonary disease, CVD cerebrovascular disease
  2. Data are presented as the number (percentage) of patients unless otherwise indicated