Table 2: Optimal cutoff point for the differences in diaphragm mobility, regarding the outcome within the group of the survivors – defined here as “functionally well” against “in need for help” - as well as the corresponding sensitivity, specificity, positive and negative predictive value.

Outcome Diaphragm Cutoff (mm) Sensitivity Specificity PPV NPV
Positive Left 20 73.08 71.43 82.61 58.82
Positive Right 21.5 65.38 57.14 73.91 47.06

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