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Table 2 Clinicopathological 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
Surgical approach    0.000    0.000
 Laparotomy 18 (36.7 %) 79 (66.9 %)   18 (36.7 %) 41 (83.7 %)  
 Laparoscopy 31 (63.3 %) 39 (33.1 %)   31 (63.3 %) 8 (16.3 %)  
Primary resection type    0.068    0.007
 Without stoma 36 (73.5 %) 69 (58.5 %)   36 (73.5 %) 23 (46.9 %)  
 With stoma 13 (26.5 %) 49 (41.5 %)   13 (26.5 %) 26 (53.1 %)  
Stent procedure       
 Technique failure 5 (10.2 %)    5 (10.2 %)   
Stent–related perforations 2 (4.1 %)    2 (4.1 %)   
Clinical success 42 (85.7 %)    42 (85.7 %)   
Surgical AEs (Clavien–Dindo classification)    0.447    0.416
 1 0 0   0 0  
 2 2 (4.1 %) 11 (9.3 %)   2 (4.1 %) 8 (16.3 %)  
 3 8 (16.3 %) 3 (2.5 %)   8 (16.3 %) 0  
 4 0 2 (1.7 %)   0 1 (2.0 %)  
 5 1 (2.0 %) 5 (4.2 %)   1 (2.0 %) 0  
pT stage    0.136    0.301
 T1 1 (2.0 %) 2 (1.7 %)   1(2.0 %) 2 (4.1 %)  
 T2 1 (2.0 %) 2 (1.7 %)   1 (2.0 %) 1 (2.0 %)  
 T3 19 (38.8 %) 52 (44.1 %)   19 (38.8 %) 23 (46.9 %)  
 T4 28 (57.1 %) 62 (52.5 %)   28 (57.1 %) 23 (46.9 %)  
pN stage    0.655    0.639
 N0 25 (51.0 %) 69 (58.5 %)   25 (51.0 %) 25 (51.0 %)  
 N1 19 (38.8 %) 26 (22.0 %)   19 (38.8 %) 14 (28.6 %)  
 N2 5 (10.2 %) 23 (19.5 %)   5 (10.2 %) 10 (20.4 %)  
pM stage    0.898    1.000
 M0 41 (83.7 %) 98 (83.1 %)   41 (83.7 %) 41 (83.7 %)  
 M1 8 (16.3 %) 20 (16.9 %)   8 (16.3 %) 8 (16.3 %)  
Vascular invasion 15 (30.6 %) 50 (42.4 %) 0.681 15 (30.6 %) 18 (36.7 %) 0.521
Perineural invasion 25 (51 %) 40 (33.9 %) 0.039 25 (51.0 %) 13 (26.5 %) 0.013
Adjuvant therapy 26 (53.1 %) 56 (47.5 %) 0.510 26 (53.1 %) 25 (51.0 %) 0.686
Total hospital stay (mean(SD), d) 27.2 (15.9) 24.7 (14.5) 0.353 27.2 (15.9) 24.1 (13.8) 0.321
Total in–hospital cost(mean(SD), 103 RMB yuan) 78.0 (30.3) 61.2 (40.7) 0.004 78.0 (30.3) 62.2 (46.1) 0.049
30 day mortality 1 (2.0 %) 3 (2.5 %) 0.847 1 (2.0 %) 1 (2.0 %) 1.000