Chi-Square Analysis of Association between Characteristics of Patients at High Risk for Obstructive Sleep Apnea and Clinical Assessment for Obstructive Sleep Apnea
| OSA not assessed N (%)* | OSA assessed N (%)* | P value† | |
|---|---|---|---|
| Total (n = 4,911) | 3,387 (69.0) | 1,524 (31.0) | |
| Sex | < 0.01 | ||
| Female | 962 (63.4) | 552 (36.6) | |
| Male | 2,425 (71.4) | 972 (28.6) | |
| Age | < 0.01 | ||
| ≤ 50 years | 151 (48.2) | 162 (51.8) | |
| > 50 years | 3,236 (70.4) | 1,362 (29.6) | |
| Clinic location‡ | 0.49 | ||
| Urban | 2,169 (68.0) | 1,020 (32.0) | |
| Suburban | 1,218 (70.7) | 504 (29.3) | |
| Body mass index, kg/m2 | < 0.01 | ||
| ≤ 35 | 1,865 (82.4) | 399 (17.6) | |
| > 35 | 1,522 (57.5) | 1,125 (42.5) | |
| Race/Ethnicity | 0.05 | ||
| African American | 2,213 (68.1) | 1,039 (31.9) | |
| Not African American§ | 1,174 (70.8) | 485 (29.2) | |
| Hypertension | < 0.01 | ||
| No | 161 (52.1) | 148 (47.9) | |
| Yes | 3,226 (70.1) | 1,376 (29.9) |
Abbreviation: OSA, obstructive sleep apnea.
↵* Percentages are row percentages (number/[OSA not assessed + OSA assessed]).
↵† Calculated per χ2 test.
↵‡ Urban clinic is Detroit Northwest and Harbortown; Suburban clinic in Troy and Commerce Township.
↵§ Not African American includes Asian, Hispanic, and White ethnicity reported in medical record.