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. 2007 Jan 29;41(6):392–397. doi: 10.1136/bjsm.2006.033985

Table 3 Within group comparisons of pain scores over time, reported as median (interquartile range).

Pain (mm) Baseline 24 h z Score p Value
Passive stretch
 Control (n = 20) 1.0 (0.0–5.0) 6.0 (2.3–16.0) −1.995 0.046
 Intervention (n = 20) 2.0 (0.0–9.5) 16.5 (4.0–56.0) −3.827 <0.001
Maximal isometric contraction
 Control (n = 20) 8.0 (0.0–22.5) 26.5 (8.3–41.8) −2.919 0.004
 Intervention (n = 20) 4.5 (1.3–17.5) 38.0 (13.8–55.0) −3.679 <0.001
Serum CK (IU/l)
 Control (n = 20) 120 (64–133) 150 (117–221) −3.584 <0.001
 Intervention (n = 20) 106 (72–187) 180 (89–306) −3.361 0.001
Mean (SD) maximal isometric strength (N.m)
 Control (n = 20) 147 (40) 129 (30) −3.173 0.002
 Intervention (n = 20) 148 (52) 136 (40) −2.240 0.025

CK, creatine kinase.