Table 2: Outcome variables after intervention (5% acetic acid iontophoresis plus ultrasound) n = 10.

Outcome Variable Before After p
Pain (graded from 0-10) ± SD 7.9 ± 1.66 2.8 ± 2.09 0.0002
Size of calcification, mm ± SD 10 ± 5.3 5.3 ± 5.22 0.0186

SD: Standard Deviation.