Table 2.
Results for primary outcomes according to combinations of surgery type and SAPB type
| Subgroup | No. of studies and patients | I2, % | MD (95%CI) | P |
|---|---|---|---|---|
| Breast surgery + DSAPB | ||||
| TFAR | 6 (179/179) | 96.9 | 0.01 (−1.41 to 1.42) | 0.991 |
| 24-h TAC | 5 (114/120) | 89.3 | −0.40 (−2.79 to 1.98) | 0.740 |
| 24-h pain scores at rest | 4 (124/124) | 83.5 | 0.02 (−0.62 to 0.67) | 0.942 |
| Breast surgery + SSAPB | ||||
| TFAR | 3 (94/94) | 9.0 | −1.55 (−1.81 to −1.29) | < 0.001 |
| 24-h TAC | 3 (94/94) | 83.4 | 2.11 (1.18 to 3.04) | < 0.001 |
| 24-h pain scores at rest | 1 (25/25) | NA | −0.56 (−1.17 to 0.05) | 0.073 |
| Thoracic surgery + DSAPB | ||||
| TFAR | 2 (71/71) | 94 | −3.69 (−10.64 to 3.26) | 0.298 |
| 24-h TAC | 1 (31/31) | NA | 1.26 (0.27 to 2.25) | 0.013 |
| 24-h pain scores at rest | 4 (125/114) | 62.4 | −0.24 (−0.74 to 0.25) | 0.332 |
| Thoracic surgery + SSAPB | ||||
| TFAR | 7 (244/241) | 98.3 | −0.41 (−2.40 to 1.58) | 0.687 |
| 24-h TAC | 4 (123/122) | 75.9 | 4.02 (2.55 to 5.49) | < 0.001 |
| 24-h pain scores at rest | 10 (325/314) | 92.2 | 0.34 (−0.10 to 0.78) | 0.126 |
DSAPB Deep serratus anterior plane block, MD Mean difference, NA Not applicable, SSAPB Superficial serratus anterior plane block, TAC Total analgesic consumption in intravenous morphine equivalents, TFAR Time to first analgesia request, TPVB Thoracic paravertebral block