equal PAC, whereas SPP (P3) had a PAC 28%
lower than P1 and P2. P1 and P2 were not statistically
significantly different, but P1 and P2 were statistically
significantly different from P3 (P0.70). There was a strong correlation between
BMI and the PAC relief afforded by the SPP (P3)
(r¼0.74; P