Table 2

Polysomnography (PSG) findings and Berlin Questionnaire findings in the 129 patients who completed the PSG study
PSG study
AHI, events per hour 41 ± 32
<5, n (%) 11 (8.5)
≥5– < 15, n (%) 20 (15.5)
≥15– ≤ 30, n (%) 30 (23.3)
>30, n (%) 68 (52.7)
Mean SaO2, % 92 ± 4
Minimum SaO2, % 80 ± 9
Berlin Questionnaire (numbers of patients who were positive in each category)
Category 1, n (%) 117 (90.7)
Category 2, n (%) 54 (41.9)
Category 3, n (%) 97 (75.2)

SaO2: peripheral arterial oxygen saturation.

Bouloukaki et al.

Bouloukaki et al. BMC Pulmonary Medicine 2013 13:6   doi:10.1186/1471-2466-13-6

Open Data