Table 3

Intraobserver agreement

Linear analysisBland-Altman analysis
UnitCorrelationSlopeInterceptBias*MOE*SlopeIntercept
Coughs0.98411.0502−0.00610.07891.51370.0654−0.0346
Fixed cough seconds0.99151.01820.00520.02990.83500.0267−0.0067
Mobile cough seconds0.99381.01080.00920.02130.59760.01700.0020
  • *Average of the differences between the paired cough counts; the margin of error is twice the SD of these differences.

  • MOE, margin of error.