Table 1. The baseline characteristics of each group.
No. | Age | BMI | Smoking | Altitude (m) | First exposure? | |
---|---|---|---|---|---|---|
Plains | 190 | 24.12 ± 4.40 | 23.00 ± 1.12 | No | 500 | — |
Han entered plateau 3rd day | 50 | 23.50 ± 4.42 | 23.07 ± 1.16 | No | 4200 | √ |
Han entered plateau 7th day | 50 | 19.48 ± 1.25 | 22.29 ± 1.35 | No | 4,200 | √ |
Han entered plateau 30th day | 44 | 22.70 ± 3.60 | 22.25 ± 1.50 | No | 3,700 | √ |
The plateau Han population (living in plateau>10years) | 24 | 41.50 ± 7.60 | 22.63 ± 1.39 | No | 3,700 | — |
Tibetan | 155 | 35.31 ± 15.53 | 23.16 ± 1.76 | No | 3,700 | √ |