From: The role of colonoscopy in the management of intestinal obstruction: a 20-year retrospective study
 | Year quartiles | |||
---|---|---|---|---|
 | ≤1997 | 1998-2002 | 2003-2005 | ≥2006 |
Surgery only (N, %) | 135 (95.1) | 130 (76.0) | 91 (68.9) | 85 (42.7) |
Endoscopy only (N, %) | 7 (4.9) | 36 (21.1) | 33 (25.0) | 81 (40.7) |
Surgery and endoscopy (N, %) | 0 | 5 (2.9) | 8 (6.1) | 33 (16.6) |
Total (N, %) | 142 (100.0) | 171 (100.0) | 132 (100.0) | 199 (100.0) |