Table 2.
Laboratory altitude, mean barometric pressure, mean laboratory temperature and inspired partial pressure of oxygen.
| Laboratory | Approx Altitude metres | Ambient Temperature ˚C | Barometric Pressure millibar | Barometric Pressure mmHg | Barometric Pressure Kpa | PiO2 mmHg | PiO2 Kpa |
|---|---|---|---|---|---|---|---|
| LONDON | 75 | 24.1 (1) | 1005 | 754 (10) | 100.5 (1.3) | 148.0 | 19.7 |
| KATHMANDU | 1300 | 26.1 (1.5) | 867 | 650 (3) | 86.7 (0.4) | 126.2 | 16.8 |
| NAMCHE | 3500 | 19.6 (2.6) | 670 | 505 (3) | 67.3 (0.4) | 95.4 | 12.7 |
| PHERICHE | 4250 | 13.1 (1.7) | 615 | 461 (2) | 61.5 (0.3) | 86.7 | 11.6 |
| EBC | 5300 | 21.5 (5.6) | 538 | 404 (3) | 53.8 (0.3) | 74.7 | 9.9 |
| WCWM | 6400 | 12.7 (3.9) | 467 | 350 (0.9) | 46.7 (0.1) | 63.4 | 8.5 |
| SOUTH COL | 7950 | 15.0 (8.9) | 389 | 292 (2.3) | 38.9 (0.3) | 51.3 | 6.8 |
| BALCONY | 8400 | Not recorded | 363 | 272 | 36.3 | 47.1 | 6.3 |
Altitudes taken from map values to nearest 50 m; Barometric pressures and temperature are mean (standard deviation) values recorded during laboratory testing in the field; PiO2 = Inspired partial pressure of oxygen -calculated from barometric pressures.