Table 1. The distribution of demographic information and collected parameters in the TMUH and SHH databases.
AHI: Apnea hypopnea index; BMI: Body mass index; BQ: Berlin questionnaire; ESS: Epworth sleepiness scale; *: the p-value is less than 0.05 between male and female within the TMUH database; #: the p-value is less than 0.05 between male and female within the SHH database.
| TMUH | SHH | |||
|---|---|---|---|---|
| Male | Female | Male | Female | |
| Number (total) | 4003 | 1242 | 816 | 338 |
| Number (AHI<15) | 1141 | 859 | 298 | 235 |
| Number (30>AHI≥15) | 730 | 205 | 158 | 57 |
| Number (AHI≥30) | 2132 | 178 | 360 | 46 |
| AHI (events/hour) | 37.2±28.1* | 13.5±19.1* | 32.3±27.5# | 14.2±17# |
| Age (years) | 45.3±12.8 | 45.4±14 | 46.6±12.9# | 49.5±13.8# |
| BQ | 0.2±0.4* | 0.3±0.7* | - | - |
| ESS | 10.1±5.8* | 8.6±5.6* | 10.4±5.5# | 9.6±6.1# |
| Head (cm) | 57±2.1* | 54.7±2.1* | - | - |
| Buttock (cm) | 102±8.9* | 98.1±11.7* | - | - |
| Neck (cm) | 39±3.4* | 33.4±3.4* | 38.7±3.5# | 33.5±3.3# |
| Waist (cm) | 94.1±12.3* | 81.8±14.3* | 95.4±12.3# | 85.7±11.9# |
| BMI (kg/m2) | 27.1±4.9* | 25±6.3* | 27.7±5# | 25.8±5.1# |