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. 2020 Jul 6;17(13):4858. doi: 10.3390/ijerph17134858

Figure 2.

Figure 2

Receiver operating characteristic curve analysis for the hip external rotation ROM as a risk factor for lower back pain. The area under the curve is 0.857 (p = 0.013); the coordinates represent possible cutoff point in hip external rotation range of movement (the optimal cutoff point was 56.5°).