## Table 1 |
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Values of OMAS at first and second measurements and correlation between the two measurements |
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Variable |
First measurement |
Second measurement |
p-value |
Correlation |
p-value correlation |

n = 42 |
n = 42 |
||||

OMAS median (range) (IQR) | 78 (30–100) (26) | 80 (35–100) (30) | p = 0.14¤ | rho =0.95 | p < 0.001 |

OMAS mean (SD) | 75 (19) | 77 (18) | ICC = 0.94 | p < 0.001 |

¤Wilcoxon sign rank test; rho_{=} spearman correlation coefficient; *IQR*, Interquartile range; *ICC*, intraclass correlation coefficient.

Nilsson * et al.*

Nilsson * et al.* *BMC Musculoskeletal Disorders* 2013 **14**:109 doi:10.1186/1471-2474-14-109