Table 3

The percentage change (median and IQR) for each of the test variables for placebo and bupivacaine interventions

PlaceboBupivacaine
Change expressed as a percentage Median (IQR)Significance of difference due to interventionChange expressed as a percentage Median (IQR)Significance of difference due to intervention
Negative signs represent a worsening for postural sway and proprioception but an improvement for MVC and percentage activation.
Pain41.94 (11.57 to 76.66)Z=−5.73 p<0.00156.85 (31.01 to 73.65)Z=−6.98 p<0.001
Postural sway−9.90 (−27.99 to 22.24)Z=−0.831 p=0.410.00 (−27.03 to 23.33)Z=−0.25 p=0.81
Proprioception−10.26 (−35.91 to 24.82)Z=−1.34 p=0.18−28.15 (−83.47 to 19.74)Z=−2.60 p=0.009
MVC−7.64 (−21.96 to 4.73)Z=−2.86 p=0.004−18.83 (−31.79 to −0.26)Z=−4.93 p<0.001
Activation (%)−10.71 (−25.19 to 2.60)Z=−3.606 p<0.001−11.90 (−39.53 to 2.97)Z=−3.53 p<0.001