Skip to main content

Table 1 Baseline characteristics of patients and colonoscopy performance

From: Narrow-band imaging does not improve detection of colorectal polyps when compared to conventional colonoscopy: a randomized controlled trial and meta-analysis of published studies

Parameter NBI group (n = 241) Conventional group (n = 241) Significance (p)
Age (years) 57.36 (SD 12.07) 59.29 (SD 12.91) Ns
Gender M/F 86/155 95/146 Ns
Weight (kg) 66.73 (SD 12.99) 66.43 (SD 12.45) Ns
Height (cm) 163.49 (SD 11.37) 163.11 (SD 8.57) Ns
Total examination time (min)* 9.21 (SD 3.08) 9.22 (SD 3.58) Ns
Previous colonoscopy 94 (39.0%) 98 (40.7%) Ns
Indication:    
Screening 42 (17.4%) 37 (15.4%) Ns
Surveillance 22 (9.1%) 18 (7.4%) Ns
Diagnostic 177 (73.5%) 186 (77.2%) Ns
Last colonoscopy (years)    
1 to 3 50 51 Ns
3 to 5 25 26 Ns
5 to 10 11 11 Ns
> 10 8 10 Ns
Previous polyp resection 26 (10.8%) 19 (7.9%) Ns
Familial history of colorectal cancer 44 (18.3%) 36 (14.9%) Ns
Excellent/good bowel preparation 167 (69.3%) 162 (67.5%) Ns
  1. *Not including polypectomy time.