Table 5.
Sensitivity analysis of the pain score.
| Pain score statistics with each study removed | |||||
|---|---|---|---|---|---|
| Study | MD | 95% CI lower limit | 95% CI upper limit | Z value | P value |
| TAP VS WI at rest at 1 h | |||||
| Atim, A. [17] (2011) | -0.20 | -0.74 | 0.35 | 0.71 | 0.48 |
| El sharkwy, I. A. [21] (2018) | -0.36 | -1.31 | 0.58 | 0.75 | 0.45 |
| Ortiz, J. [10] (2012) | -0.44 | -0.98 | 0.10 | 1.59 | 0.11 |
| Skjelsager, A. [23] (2013) | -0.46 | -1.16 | 0.24 | 1.29 | 0.20 |
| Tolchard, S. [11] (2012) | -0.20 | -0.76 | 0.37 | 0.67 | 0.50 |
| TAP VS WI at rest at 2 h | |||||
| Atim, A. [17] (2011) | -0.70 | -1.18 | -0.21 | 2.8 | 0.005 |
| Li, Q. [24] (2018) | -0.70 | -1.25 | -0.15 | 2.48 | 0.01 |
| Ortiz, J. [10] (2012) | -0.81 | -1.29 | -0.32 | 3.28 | 0.001 |
| Skjelsager, A. [23] (2013) | -0.97 | -1.50 | -0.44 | 3.56 | 0.0004 |
| Tolchard, S. [11] (2012) | -0.65 | -1.15 | -0.15 | 2.56 | 0.01 |
| TAP VS WI at rest at 4 h | |||||
| Atim, A. [17] (2011) | -0.50 | -1.11 | 0.11 | 1.60 | 0.11 |
| Ortiz, J. [10] (2012) | -0.51 | -1.11 | 0.09 | 1.67 | 0.09 |
| Skjelsager, A. [23] (2013) | -0.80 | -1.63 | 0.03 | 1.88 | 0.06 |
| TAP VS WI at rest at 6 h | |||||
| Atim, A. [17] (2011) | -0.85 | -1.07 | -0.63 | 7.6 | <0.00001 |
| El sharkwy, I. A. [21] (2018) | -0.79 | -1.17 | -0.41 | 4.1 | <0.0001 |
| Gorkem, U. [19] (2017) | -0.87 | -1.09 | -0.65 | 7.82 | <0.00001 |
| Ibrahim, M. [12] (2014) | -0.87 | -1.09 | -0.65 | 7.77 | <0.00001 |
| Skjelsager, A. [23] (2013) | -0.90 | -1.13 | -0.68 | 7.85 | <0.00001 |
| TAP VS WI at rest at 12 h | |||||
| El sharkwy, I. A. [21] (2018) | -0.56 | -1.03 | -0.09 | 2.33 | 0.02 |
| Gorkem, U. [19] (2017) | -0.80 | -0.93 | -0.66 | 11.67 | <0.00001 |
| Ibrahim, M. [12] (2014) | -0.79 | -0.93 | -0.65 | 11.42 | <0.00001 |
| Ortiz, J. [10] (2012) | -0.78 | -0.91 | -0.64 | 11.41 | <0.00001 |
| TAP VS WI at rest at 24 h | |||||
| Atim, A. [17] (2011) | -0.52 | -0.72 | -0.32 | 5.08 | <0.00001 |
| El sharkwy, I. A. [21] (2018) | -0.64 | -0.85 | -0.44 | 6.13 | <0.00001 |
| Li, Q. [24] (2018) | -0.53 | -0.71 | -0.35 | 5.63 | <0.00001 |
| Mughal, A. [15] (2018) | -0.53 | -0.72 | -0.34 | 5.39 | <0.00001 |
| Ortiz, J. [10] (2012) | -0.55 | -0.73 | -0.36 | 5.81 | <0.00001 |
| Rashid, A. [14] (2017) | -0.55 | -0.73 | -0.37 | 5.92 | <0.00001 |
| Ruiz-Tovar [16] (2018) | -0.47 | -0.69 | -0.25 | 4.19 | <0.0001 |
| Skjelsager, A. [23] (2013) | -0.58 | -0.78 | -0.39 | 5.87 | <0.00001 |
| TAP VS WI during movement at 1 h | |||||
| Atim, A. [17] (2011) | -0.60 | -1.93 | 0.73 | 0.88 | 0.38 |
| Skjelsager, A. [23] (2013) | -1.70 | -3.34 | -0.06 | 2.03 | 0.04 |
| TAP VS WI during movement at 2 h | |||||
| Atim, A. [17] (2011) | -1.23 | -2.29 | -0.16 | 2.25 | 0.02 |
| Li, Q. [24] (2018) | -1.34 | -2.28 | -0.41 | 2.81 | 0.005 |
| Skjelsager, A. [23] (2013) | -1.96 | -3.12 | -0.80 | 3.32 | 0.0009 |
| TAP VS WI during movement at 4 h | |||||
| Atim, A. [17] (2011) | -0.79 | -1.53 | -0.05 | 2.10 | 0.04 |
| Ibrahim, M. [12] (2014) | -0.44 | -1.19 | 0.30 | 1.17 | 0.24 |
| Skjelsager, A. [23] (2013) | -0.70 | -1.39 | -0.02 | 2.00 | 0.05 |
| TAP VS WI during movement at 6 h | |||||
| Atim, A. [17] (2011) | -0.67 | -1.37 | 0.02 | 1.89 | 0.06 |
| Ibrahim, M. [12] (2014) | -0.65 | -1.26 | -0.04 | 2.07 | 0.04 |
| Skjelsager, A. [23] (2013) | -0.84 | -1.38 | -0.30 | 3.03 | 0.002 |
| TAP VS WI during movement at 24 h | |||||
| Atim, A. [17] (2011) | -0.79 | -1.25 | -0.33 | 3.39 | 0.0007 |
| Li, Q. [24] (2018) | -0.81 | -1.14 | -0.48 | 4.84 | <0.00001 |
| Mughal, A. [15] (2018) | -0.91 | -1.29 | -0.53 | 4.69 | <0.00001 |
| Rashid, A. [14] (2017) | -0.87 | -1.19 | -0.55 | 5.30 | <0.00001 |
| Skjelsager, A. [23] (2013) | -0.84 | -1.18 | -0.50 | 4.86 | <0.00001 |