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Table 3 Sensitivity and specificity of each nerve amplitude for the diagnosis of probable CIPNM

From: What is the diagnostic accuracy of single nerve conduction studies and muscle ultrasound to identify critical illness polyneuromyopathy: a prospective cohort study

Nerve Cutoff amplitude Normal amplitude Sensitivity (95% CI) Specificity (95% CI)
Peroneal motor 0.65 mV 1 mV 94% (71–100%) 91% (82–96%)
Peroneal motor 0.8 mV 1 mV 94% (71–100%) 90% (81–95%)
Sural sensory 4 μV 10 μV 100% (80–100%) 42% (31–54%)
Sural sensory 8 μV 10 μV 100% (80–100%) 31% (21–42%)
  1. CI confidence interval, CIPNM critical illness polyneuromyopathy