Table 1 Study cohorts and group information
Groups | Metagenome analysis (n) | Metabolome analysis (n) | Clinical test (n) | Sampling position | Altitude (kilometers) | Residence time |
|---|---|---|---|---|---|---|
Han1k_HP | 182 | 94 | 95 | Hotan |  < 1.7 | Always |
Han1k_KP | 50 | 36 | 38 | Kashgar |  < 1.7 | Always |
Han4k_1w | 85 | 53 | 37 | Ngari |  > 4.3 | 1 week |
Han4k_6m | 63 | 53 | 53 | Ngari |  > 4.3 | 6 months |
Han4k_d3m | 92 | 77 | 77 | Kashgar |  < 1.7 | 3 months |
Tibetan4k_NP | 138 | 90 | 118 | Ngari |  > 4.3 | Always |