. 2012 Jan 1;35(1):89–96. doi: 10.5665/sleep.1592

Table 5.

Area under curve of receiver-operator characteristic curves across BMI categories and ODI thresholds for the diagnosis of moderate-severe and severe OSA

BMI	Moderate-Severe OSA (AHI ≥ 15)			Severe OSA (AHI ≥ 30)
BMI	ODI-2%	ODI-3%	ODI-4%	ODI-2%	ODI-3%	ODI-4%
20-25	0.748	0.779^*	0.739^†	0.836	0.880^*	0.849^†
25-30	0.732	0.795^*	0.761^*^†	0.768	0.825^*	0.810^*^†
30-35	0.751	0.811^*	0.802^*	0.764	0.835^*	0.832^*
35-40	0.736	0.831^*	0.832^*	0.735	0.826^*	0.834^*
ALL	0.754	0.821^*	0.804^*^†	0.776	0.843^*	0.842^*

Significantly different from ODI-2% (P < 0.05).

^†

Significantly different from ODI-3% (P < 0.05).

BMI, body mass index; ODI, oxygen desaturation index; OSA, obstructive sleep apnea; AHI, apnea-hypopnea index.