Table 2.
Baseline demographic features of the study population.
| Reference | Subgroups | Age (yrs), mean (SD) | Sex/Male (%) | Body mass index (kg/m2), mean (SD) | Withdrawal time (including biopsy time) | Withdrawal time (excluding biopsy time) | BPPS, n (%) | |
|---|---|---|---|---|---|---|---|---|
| Inadequate | Adequate | |||||||
| Pu Wang 2020 | CADe | 49.00 ± 15.56 | 241 (50.00%) | 23.02 ± 3.19 | 7.46 ± 2.02 | 6.48 ± 1.32 | 71 (15%) | 413 (85%) |
| Control | 49.00 ± 11.63 | 254 (53.00%) | 23.31 ± 6.70 | 6.99 ± 1.57 | 6.37 ± 1.09 | 65 (14%) | 413 (86%) | |
| Shunsuke K 2021 | CADe | 61.63 ± 9.89 | 136 (76.40%) | \ | 1st 7.23 ± 1.35 2nd 6.73 ± 1.05 |
\ | \ | \ |
| Control | 61.44 ± 10.01 | 136 (76.80%) | \ | 1st 7.48 ± 1.48 2nd 7.18 ± 1.53 |
\ | \ | \ | |
| JR. GB2021 | CADe | 61.18 ± 9.83 | 54 (47.79%) | \ | 1st 9.31 ± 4.47 2nd 6.30 ± 1.25 |
1st 8.28 ± 4.17 2nd 6.31 ± 1.17 |
4 (3.54%) | 109(96.46%) |
| Control | 60.51 ± 8.45 | 68 (61.82%) | \ | 1st 8.30 ± 2.66 2nd 7.28 ± 2.19 |
1st 7.18 ± 1.55 2nd 6.24 ± 0.83 |
2 (1.82%) | 108(98.18%) | |
| Wenna Liu 2021 | CADe | 51.02 ± 12.26 | 264 (51.97%) | 23.98 ± 2.98 | 6.82 ± 1.78 | 6.16 ± 1.26 | 66 (12.99%) | 442(87.01%) |
| Control | 50.13 ± 12.68 | 287 (55.41%) | 24.13 ± 2.96 | 6.74 ± 1.62 | 6.11 ± 1.00 | 71 (13.71%) | 447(86.29%) | |
| A R 2020 | CADe | 61.50 ± 9.70 | 172 (50.40%) | \ | \ | \ | 2(0.6%) | 339 (99.4%) |
| Control | 61.10 ± 10.60 | 165 (49.60%) | \ | \ | \ | 2(0.6%) | 342 (99.4%) | |
| C Z 2021 | CADe | 65.00 ± 14.00 | 81 (54.00%) | 27.00 ± 5.60 | 11.20 ± 4.80 | \ | 15 (10.0%) | 135 (90.0%) |
| Control | 65.00 ± 14.00 | 81 (54.00%) | 27.00 ± 5.60 | 11.20 ± 4.80 | \ | 15 (10.0%) | 135 (90.0%) | |
| Wang P, et al 2020 | CADe | 47.72 ± 10.82 | 93 (50.54%) | 23.19 ± 3.02 | \ | \ | 25 (13.59%) | 159(86.41%) |
| Control | 47.19 ± 10.38 | 86 (46.49%) | 23.21 ± 3.15 | \ | \ | 24 (12.97%) | 161(87.03%) | |
| Liwen Yao 2021 | CADe | 50.59 ± 13.19 | 378 (46.96%) | \ | 10.28 ± 4.16 | 9.62 ± 3.69 | 121(15.03%) | 684(84.97%) |
| Control | 50.85 ± 13.56 | 114 (42.07%) | \ | 9.71 ± 4.13 | 9.36 ± 4.09 | 40(14.76%) | 231(85.24%) | |
| Michael B. Wallace 2022 | CADe | 63.00 ± 8.20 | 80 (68.97%) | \ | \ | \ | 3(2.60%) | 113(97.40%) |
| Control | 64.60 ± 8.10 | 77 (67.54%) | \ | \ | \ | 7(6.10%) | 107(93.90%) | |
| Pu Wang 2019 | CADe | 51.07 ± 13.15 | 263 (50.38%) | 23.03 ± 2.93 | 6.89 ± 1.79 | 6.18 ± 1.38 | 73 (13.98%) | 449(86.02%) |
| Control | 49.94 ± 13.79 | 249 (46.46%) | 23.02 ± 3.14 | 6.39 ± 1.21 | 6.07 ± 1.11 | 79 (14.74%) | 457(85.26%) | |
| Peixi Liu 2020 | CADe | 49.84 ± 13.11 | 180 (45.80%) | 23.08 ± 3.08 | 7.29 ± 1.98 | 6.71 ± 1.63 | 82 (20.87%) | 311(79.13%) |
| Control | 48.79 ± 13.00 | 194 (48.87%) | 23.13 ± 3.02 | 6.94 ± 1.53 | 6.62 ± 1.22 | 63 (15.87%) | 334(84.13%) | |
| Hong Xu 2022 | CADe | 57.49 ± 7.55 | 707 (46.5) | 23.91 ± 3.24 | 8.25 ± 1.33 | \ | 281(18.4%) | 1238(81.5%) |
| Control | 57.03 ± 7.43 | 728 (47.3) | 23.91 ± 3.19 | 7.78 ± 1.14 | \ | 251(16.3%) | 1289(83.7%) | |
* BPPS:Boston bowel preparation score Inadequate: sum < 6 or anyone < 2 Adequate: sum > 6 and everyone > 2