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Table 2 Perioperative characteristics of enrolled patients

From: Differences in clinical outcomes according to the time interval between the bridge to surgery stenting and surgery for left-sided malignant colorectal obstruction

  Total
n (%)
Bridging interval P-value
Group 1
≤2 weeks
n (%)
Group 2
2–3 weeks
n (%)
Group 3
>3 weeks
n (%)
Overall ≤2 weeks vs. 2–3 weeks 2–3 weeks vs. >3 weeks ≤2 weeks vs. >3 weeks
Number of patients 148 47 43 58  
Discharge from hospital during bridging interval 113 (79.0) 15 (31.9) 41 (95.3) 57 (98.3) <0.001 <0.001 0.573 <0.001
Type of resection      0.028 0.063 0.361 0.024
 Anterior resection 94 (63.5) 26 (55.3) 30 (69.8) 38 (65.5)     
 Low anterior resection 19 (12.8) 9 (19.1) 4 (9.3) 6 (10.3)     
 Left hemicolectomy 26 (17.6) 6 (12.8) 9 (21.0) 11 (19.0)     
 Subtotal colectomy 4 (2.7) 4 (8.5) 0 (0.0) 0 (0.)     
 Total colectomy 3 (2.0) 0 (0.0) 0 (0.0) 3 (5.2)     
 Hartmann’s operation 2 (1.4) 2 (4.3) 0 (0.0) 0 (0.0)     
Urgency of resection      0.005 0.057 NA 0.016
 Emergency 5 (3.4) 5 (10.6) 0 (0.0) 0 (0.0)     
 Elective 143 (96.6) 42 (89.4) 43 (100.0) 58 (100.0)     
Surgical approach      0.001 0.003 0.797 0.003
 Open 40 (27.0) 22 (46.8) 7 (16.3) 11 (19.0)     
 Laparoscopic 108 (73.0) 25 (53.2) 36 (83.7) 47 (81.0)     
Stoma directly after resection 16 (10.8) 10 (21.3) 1 (2.3) 4 (6.9) 0.010 0.008 0.391 0.043
Operation time, median min (IQR min) 150.0 (120.0–198.8) 160.0 (125.0–205.0) 149.0 (110.0–190.0) 150.0 (125.0–201.3) 0.487 0.279 0.308 0.976
  1. IQR Interquartile range