|
| Group | Number of studies and children | Outcome | Remarks |
|
| Outcome: early rescue analgesia (up to 4 hrs) |
| CB versus INB | 4 studies: CB: 122
INB: 106 | RR: 0.80 [0.62, 1.04] |
No significant difference |
| CB versus INF | 4 studies: CB: 104
INF: 102 | RR: 0.94 [0.65, 1.36] |
No significant difference |
| CB versus combined | 5 studies: CB: 173
Combined: 182 | RR: 0.59 [0.32, 1.07] |
No significant difference |
|
| Outcome: late rescue analgesia (4–24 hrs) |
| CB versus INB | 2 studies: CB = 44, INB = 50 | RR: 0.97 [0.50, 1.87] |
No significant difference |
| CB versus INF | 4 studies
CB = 100, INF = 106 | RR: 1.05 [0.74, 1.51] |
No significant difference |
| CB versus combined | 2 studies
CB = 112 and combined = 120 | RR: 0.74 [0.60, 0.90],
|
ARR = 17.4%
Significantly favouring caudal |
|
| Outcome: motor block |
| CB versus INB | 3 studies: CB = 109, INB = 87 | RR: 2.17 [1.01, 4.64]
|
Motor block more common with CB
ARR = 7.2% |
| CB versus INF | 1 study: CB = 22, INF = 27 | Event rate: 3/22 (CB)
0/27 (INF) | Only 1 study; motor block not observed with INF |
| CB versus combined | 2 studies: CB = 108 and combined = 116 | RR: 5.62 [0.67, 46.98] |
All 5 patients noted to have a motor block belonged to CB |
|
| Outcome: vausea-vomiting |
| CB versus INB | 2 studies: CB = 50, INB = 49 | RR: 0.57 [0.18, 1.80] |
No significant difference |
| CB versus INF | 2 studies: CB = 49, INF = 54 | RR: 0.77 [0.36, 1.64] |
No significant difference |
| CB versus combined | 3 studies: CB = 146 and combined = 154 | RR: 1.13 [0.86, 1.50] |
No significant difference |
|
| Outcome: urinary retention |
| CB versus INB | 2 studies: CB = 74, NB = 52 | RR: 2.09 [0.96, 4.53]
| I2 = 0, favouring INB, but not significant |
| CB versus INF | 2 studies: CB = 49
INF = 54 | RR: 2.59 [1.10, 6.12],
| : ARR = 19.3%
Significantly favouring INF |
| CB versus combined | 1 study: CB = 96, combined = 104 | Event rate: 1/96 (CB)
1/104 (combined) | Only 1 study |
|
