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Intensive Care Medicine Experimental

Table 3 Comparison and reliability between estimated and measured relative QS in the validation cohort of healthy volunteers (n = 62)

From: Quadriceps handheld dynamometry during the post-ICU trajectory: using strictly the same body position is mandatory for repeated measures

 

Measured relative QS (N/kg)

Estimated relative QS (N/kg)

t-test p-value

ICC (95% CI)

Bias (limits of agreement)

H45–K40

5.7 [4.8–6.7]

6.1 [5.1–7.7]

< 0.001

0.87 (0.59–0.94)

0.49 (− 0.78–1.76)

H90–K90

5.8 [4.6 –6.5]

4.3 [3.8–4.9]

< 0.001

0.46 (− 0.10–0.77)

− 1.22 (− 2.79–0.34)

  1. ICC: interclass correlation coefficient; QS: quadriceps strength
  2. Bias: mean of the differences between estimated and measured QS
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