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Table 3 Short-term treatment outcomes according to bridging interval

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

  Bridging interval P-value
Total
n (%)
Group 1
≤2 weeks
n (%)
Group 2
2–3 week
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  
SEMS-related complication 14 (9.5) 7 (14.9) 3 (7.0) 4 (6.9) 0.305 0.320 0.859 0.408
 Perforation 2 (1.4) 2 (4.3) 0 (0.0) 0 (0.0) 0.182 0.495 NA 0.198
 Migration 8 (5.4) 5 (10.6) 1 (2.3) 2 (3.4) 0.214 0.206 1.000 0.238
 Pain 1 (0.7) 0 (0.0) 1 (2.3) 0 (0.0) 0.291 0.478 0.426 NA
 Bleeding 1 (0.7) 0 (0.0) 1 (2.3) 0 (0.0) 0.291 0.478 0.426 NA
 Fever 2 (1.4) 0 (0.0) 0 (0.0) 2 (3.4) 0.207 NA 0.334 0.326
Operation related complications within 90 days 58 (39.2) 18 (38.3) 18 (41.9) 22 (37.9) 0.932 0.830 0.837 1.000
Clavien–Dindo classification (n=58)      0.904 1.000 1.000 0.673
 Grade 1–2 49 (84.5) 16 (88.9) 15 (83.3) 18 (81.8)     
 Grade 3–5 9 (15.5) 2 (11.1) 3 (16.7) 4 (18.2)     
Post-resection hospital stays, median days (IQR days) 8.0 (7.0–11.8) 9.0 (7.0–13.0) 8.0 (7.0–11.0) 8.0 (7.0–10.0) 0.159 0.210 0.652 0.059
90-day mortality 2 (1.4) 0 (0.0) 0 (0.0) 2 (3.4) 0.334 NA 0.506 0.501
Interval from resection to adjuvant chemotherapy, median days (IQR days) (n=116) 34.5 (30.0–41.0) 32.0 (29.0–41.3) 36.0 (31.0–41.0) 34.0 (30.0–39.0) 0.470 0.331 0.269 0.666
  1. SEMS Self-expandable metal stent, IQR Interquartile range