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Table 3 Outcomes of inter-rater reliability of the iPhone level function and the digital inclinometer for the weightbearing lunge test

From: The iPhone Measure app level function as a measuring device for the weight bearing lunge test in adults: a reliability study

Measure Weight bearing lunge position Mean (SD) Combined mean (SD) SEM ICC 95% confidence interval
Inter-rater reliability of digital inclinometer between raters Knee extended Rater 1 30.1 (4.6)
Rater 2 28.1 (4.9)
29.1(4.9) 1.88 0.85 0.59, 0.93
Knee flexed Rater 1 31.9 (5.1)
Rater 2 31.0 (5.9)
31.42 (5.5) 1.10 0.96 0.91, 0.98
Inter-rater reliability of iPhone level function between raters Knee extended Rater 1 27.2 (4.2)
Rater 2 28.8 (4.5)
27.7 (5.0) 1.22 0.94 0.90, 0.97
Knee flexed Rater 1 30.2 (4.9)
Rater 2 31.0 (5.4)
30.4 (4.4) 0.62 0.98 0.96. 0.99