Table 2.
Colonoscopy indicators (ITT analysis, n = 388)
| PEG + simethicone (n = 191) | PEG (n = 197) | p value | |
|---|---|---|---|
| Adequate preparation, n (%) | 185 (97) | 185 (93) | 0.11 |
| BBPS total, median (IQR) | 9 (1) | 9 (2) | 0.70 |
| BBPS per segment, median (IQR) | |||
| Right colon | 3 (1) | 3 (1) | 0.69 |
| Transverse colon | 3 (0) | 3 (0) | 0.38 |
| Left colon | 3 (0) | 3 (0) | 0.19 |
| Bubble scale total, median (IQR) | 0 (0) | 2 (5) | <0.01 |
| Bubble scale per segment, median (IQR) | |||
| Caecum | 0 (0) | 0 (1) | <0.01 |
| Ascending colon | 0 (0) | 0 (1) | <0.01 |
| Transverse colon | 0 (0) | 0 (1) | <0.01 |
| Descending colon | 0 (0) | 0 (1) | <0.01 |
| Sigmoid colon and rectum | 0 (0) | 0 (1) | <0.01 |
| CEBuS total, median (IQR) | 0 (0) | 1 (3) | <0.01 |
| CEBuS, median (IQR) | |||
| Right colon | 0 (0) | 0 (1) | <0.01 |
| Transverse colon | 0 (0) | 0 (1) | <0.01 |
| Left colon | 0 (0) | 0 (1) | <0.01 |
| Intraprocedural use of simethicone | 14 (7) | 73 (37) | <0.01 |
| ADR, n (%) | 118 (62) | 120 (61) | 0.86 |
| ADR at proximal colon, n (%) | 83 (44) | 78 (40) | 0.47 |
| ADR for diminutive lesions, n (%) | 117 (61) | 110 (55) | 0.28 |
| Polyp detection rate, n (%) | 130 (68) | 128 (65) | 0.52 |
| Adverse events | 0.93 | ||
| Post-polypectomy bleeding | 3 (1.5) | 2 (1) | |
| Post-polypectomy electrocoagulation syndrome | 2 (1) | 1 (0.5) | |
| Would repeat the scheme, median (IQR) | 8 (3) | 8 (3) | 0.76 |
| Adverse events during bowel preparation, n (%) | 0.18 | ||
| Headache | 13 (6.8) | 23 (11.7) | |
| Vomiting | 5 (2.6) | 11 (5.6) | |
| Nausea | 9 (4.7) | 8 (4.1) | |
| Bloating | 10 (5.2) | 4 (2.0) | |
| Caecal intubation rate, n (%) | 188 (98) | 190 (96) | 0.14 |
| Withdrawal time, median (IQR) in min | 7 (2) | 7 (2) | 0.43 |