Table 2 Univariate analysis of factors associated with insertion time duringunsedated colonoscopy
From: Difficult colonoscopy score identifies the difficult patients undergoing unsedated colonoscopy
Variable | N | Insertion time (min) | p value |
|---|---|---|---|
Age (years) | Â | Â | Â |
  <65 | 518 | 7.4 ± 0.3 |  |
  ≥65 | 94 | 9.0 ± 0.6 | 0.020 |
Gender (male/female) | Â | Â | Â |
  Male | 315 | 7.1 ± 0.3 |  |
  Female | 297 | 8.2 ± 0.4 | 0.019 |
BMI (kg/m2) | Â | Â | Â |
  Underweight (<18.5) | 68 | 10.8 ± 1.0 |  |
  Healthy weight (18.5-24.9) | 383 | 7.3 ± 0.3 |  |
  Overweight (25.0-29.9) | 145 | 7.2 ± 0.5 |  |
  Obesity (≥30) | 16 | 6.4 ± 0.9 | <0.001 |
Colonoscopists | Â | Â | Â |
  Senior(n = 9) | 414 | 7.2 ± 0.3 |  |
  Junior(n = 9) | 198 | 8.5 ± 0.4 | 0.004 |
Sleep quality | Â | Â | Â |
  Excellent or good | 534 | 7.3 ± 0.2 |  |
  Fair or bad | 78 | 9.7 ± 1.0 | 0.004 |
Interval time of appointment to colonoscopy (days) | Â | Â | Â |
  <10 | 348 | 8.0 ± 0.3 |  |
  ≥10 | 264 | 7.1 ± 0.3 | 0.065 |
Smoking | Â | Â | Â |
  Yes | 126 | 7.0 ± 0.5 |  |
  No | 486 | 7.7 ± 0.3 | 0.089 |