Table 5

Statistical calculations for the technician-scored RDI versus other home testing values

CorrelationBland-Altman
rS95% Confidence limitsBiasSD95% Confidence limits
RDIMAN vs ODISOX0.8990.841 to 0.9364.069.60−14.8 to 22.9
RDIMAN vs ODIRAW0.9260.882 to 0.953−0.265.63−11.3 to 10.8
RDIMAN vs ODIMAN0.9460.913 to 0.9661.004.89−8.6 to 10.6
RDIMAN vs RDIRAW0.9440.911 to 0.965−0.073.77−7.5 to 7.3
  • ODI, oxygen desaturation index; RDI, respiratory disturbance index from the ApneaLink Plus; rS, Spearman’s rank order correlation coefficient; subscript MAN is for manually scored, RAW for computer-reported raw value, SOX for stand-alone oximeter.