Table 2.
Berlin Questionnaire comparisons by glucose tolerance group (N=899)
| Berlin Questionnaire | Normal glucose tolerance (n=375) |
Prediabetes (n=295) |
Diabetes (n=229) |
Statistic (p value) |
|
|---|---|---|---|---|---|
| Category 1: Sleep Disordered Breathing | n (%) | n (%) | n (%) | ||
|
| |||||
| Habitual Snoring: | No | 118 (32%) | 89 (30%) | 60 (26%) | X2[4]=8.8 (.07) |
| Don’t know | 65 (17%) | 32 (11%) | 40 (17%) | ||
| Yes | 192 (51%) | 174 (59%) | 129 (56%) | ||
|
| |||||
| Positive Category 1 | 143 (38%) | 126 (43%) | 104 (45%) | X2[2]=3.4 (.19) | |
|
| |||||
| Category 2: Excessive Sleepiness | |||||
|
| |||||
| Positive Category 2 | 55 (15%) | 32 (11%) | 22 (10%) | X2[2]=4.0 (.13) | |
|
| |||||
| Category 3: Clinical Comorbidities | |||||
|
| |||||
| BMI>27.5 kg/m2 | 86 (23%) | 97 (33%) | 86 (38%) | X2[2]>15 (<.001) | |
|
| |||||
| BMI>30.0 kg/m2 | 30 (8%) | 44 (15%) | 45 (20%) | X2[2]>15 (<.001) | |
|
| |||||
| HTN (>140/90 mmHg) | 71 (19%) | 100 (34%) | 120 (52%) | X2[2]>15 (<.001) | |
|
| |||||
| HTN or BMI >27.5 kg/m2 | 140 (37%) | 157 (53%) | 159 (69%) | X2[2]>15 (<.001) | |
|
| |||||
| Positive Category 3 | X2[2]>15 (<.001) | ||||
| HTN or BMI >30 kg/m2 | 94 (25%) | 122 (41%) | 139 (61%) | ||
|
| |||||
| High Risk for OSA (positive 2 or 3 categories) | |||||
| if HTN or BMI >30.0 | 68 (18%) | 71 (24%) | 73 (32%) | X2[2]>15 (<.001) | |
| if HTN or BMI >27.5 | 87 (23%) | 87 (29%) | 80 (35%) | X2[2]=10 (.007) | |
Note: HTN = hypertension