Article Figures & Data
Tables
Number Percentage Sex Male 240 47 Female 271 53 Indication Diagnostic 23 4.5 Screening 488 94.5 Depth of insertion (cm) 0 to 25 8 1.6 25 to 49 72 14.1 ≥50 426 83.3 Missing 5 0.1 Problems during examination None 363 71.3 Pain 68 13.4 Poor bowel preparation 60 11.8 Pathology interfered 15 2.9 Pathology seen* Polyps 44 8.6 Diverticula 139 27.2 Colitis 22 3.97 Hemorrhoids 147 26.6 No pathology 226 46.4 * Multiple pathologies were seen in 74 patients.
Characteristics Insertion P value* Complete N = 427 Incomplete N = 80 Women, % 47.5 80.0 <.001 Age, mean years (SD) 59.5 ( 9.6) 64.1 ( 9.5) <.001 Weight, mean pounds (SD) 188.8 (45.0) 176.0 (37.9) .021 Symptoms, % Abdominal distention 3.5 5.0 NS† Constipation 18.3 25.0 NS Diarrhea 7.7 12.5 NS Pain 13.6 20.0 NS Rectal bleeding 18.3 21.3 NS Weight loss 2.6 6.3 NS History of, % Abdominal surgery 30.4 47.4 .005 Hysterectomy 18.1 46.3 .001 Reason, screening 95.3 96.3 NS Previous sigmoidoscopy 10.8 20.0 .034 Previous colonoscopy 3.5 2.5 NS Preparation, inadequate, % 12.6 27.8 .001 * P value for proportions by Pearson χ2, for means Student t test.
† NS, not significant (P ≥ .05).
Patient Characteristics Odds Ratio 95% CI Women versus men 4.41 2.47–7.88 Age Categories Women (≥70 years vs <70 years) 2.27 1.22–4.25 Men (≥75 years vs <75 years) 6.46 1.79–23.30 Symptoms Abdominal distention 1.45 0.47–4.47 Constipation 1.49 0.85–2.62 Diarrhea 1.71 0.80–3.62 Pain 1.59 0.86–2.94 Rectal bleeding 1.21 0.67–2.18 Weight loss Women 7.15 1.66–30.92 Men 1.61 0.29–8.97 History of Abdominal surgery Women 1.17 0.67–2.05 Men 3.54 1.16–10.77 Hysterectomy <70 years 4.54 2.19–9.44 ≥70 years 0.42 0.14–1.23 Sigmoidoscopy No previous versus previous 2.01 1.11–3.88 Preparation, inadequate versus adequate Women 3.58 1.75–7.31 Men 2.03 0.61–6.76 CI, confidence interval.
