Study characteristics
| Study | Procedure (n) | Gender | Age at procedure (months) | Level of anal dissection | Location of disease segment | Congenital abnormalities | NOS score (/9) |
|---|---|---|---|---|---|---|---|
| Huang et al26 | LAPT SO (29) TTERPT SO (44) | NA | NA | NA | Short(11) R-S (18) Short (14) R-S (30) | NA | 4 |
| Ishikawa et al27 | LAPT (21) TTERPT (8) | NA | 6.5±4.3 4.4±3.0 | 1 cm proximal to dentate line (both) | NA | NA | 3 |
| Kim et al25 | LAPT (54) TTERPT (75) | M (43) F (11) M (65) F (10) | 4.1±0.8 5.1±1.0 | NA | Short or R-S (47) Left (6) M-R (1) Short or R-S (74) Left (1) | Down's (5) Heart (5) Other (5) Down’s (9) Heart (9) Other (7) | 5 |
| Dahal et al28 | LAPT (33) TTERPT (98) | M (27) F (6) M (85) F (13) | 17±18.2 13±8 | NA | NA | NA | 3 |
| van de Ven et al29 | LAPT (22) TTERPT (21) | M (17) F (5) M (17) F (5) | R-S (22) R-S (21) | Down's (3)* Heart (0) Other (1) Down’s (2)* Heart (2) Other (1) | 6 |
*Down's and Waardenburg syndrome.
LAPT, transanal anastomosis with laparoscopic assistance; M-R, mid to right; NOS, Newcastle-Ottawa Scale; R-S, recto-sigmoid; SO, Soave; TTERPT, totally transanal endorectal pull-through; NA, not applicable.