Table 1. Clinical presentation and demographic parameters in the epidemiological sample of Sao Paulo according to OSAS and CTRL groups (N = 1021).
| CTRL | SAOS | p | |
| Clinical presentation | |||
| Age (years) | 38.4±0.5 | 50.8±0.7* | <0.0001 |
| BMI (kg/m2) | 25.4±0.2 | 29.7±0.3* | <0.0001 |
| SBP (mmHg) | 119.8±1.0 | 135.5±1.5* | <0.0001 |
| DBP (mmHg) | 76.9±0.6 | 84.0±0.9* | <0.0001 |
| Apnea-hypopnea index | 1.9±0.1 | 20.5±0.9* | <0.0001 |
| Uric acid (mg/dL) | 4.9±0.1 | 5.7±0.1* | <0.0001 |
| Gender (%) | |||
| Men | 25.9 | 18.8* | <0.0001 |
| Women | 40.9 | 14.4 | |
| Ethinicity (%) | |||
| Caucasian | 36.2 | 21.5* | |
| Afro-Brazilian | 9.4 | 4.2 | |
| Mulatto | 9.8 | 2.4 | <0.01 |
| Asian | 2.1 | 0.8 | |
| Native | 2.2 | 0.9 | |
| Unknown/other | 7.0 | 3.4 | |
| Socioeconomic status (%) | |||
| High-income | 16.6 | 11.8* | |
| Middle-income | 43.1 | 18.8 | <0.001 |
| Low-income | 7.1 | 2.6 |
SBP = systolic blood pressure; DBP = diastolic blood pressure; BMI = body mass index.
*
mean or frequency significantly increased when compared to respective CTRL group.