Table 1.
Sensor Signals in Three Glucose Concentrations Shown Separately for Hypobaric and Hyperbaric Conditions
| Glucose concentration | Hypobaric test | Hyperbaric test | ||||||
|---|---|---|---|---|---|---|---|---|
| Pressure kPa |
Number of sensors | ISIG value mean ± 2SD (95% CI) | Compared with sea level, statistics | Pressure kPa |
Number of sensors | ISIG value mean ± 2SD (95% CI) | Compared with sea level, statistics | |
| 52 mg/dl 2.9 mmol/liter |
101 | 11 | 10.3 ± 0.3 (10.3 – 10.4) |
na | 101 | 16 | 11.0 ± 0.5 (10.8 – 11.1) |
na |
| 51 | 11 | 9.7 ± 0.8 9.5 – 10.0 |
p < 0.001 | 404 | 16 | 11.1 ± 0.5 (10.9 – 11.2) |
ns | |
| 75 | 11 | 9.6 ± 1.3 9.0 – 10.1 |
p < 0.05 | 130 | 16 | 11.1 ± 0.5 (10.9 – 11.3) |
ns | |
| 101 | 11 | 10.1 ± 0.3 (9.4 – 10.9) |
ns | 101 | 16 | 11.1 ± 0.2 (10.8 – 11.5) |
ns | |
| 88 mg/dl 4.9 mmol/liter |
101 | 16 | 20.2 ± 1.2 (19.9 – 20.4) |
na | 101 | 16 | 20.8 ± 1.3 (20.5 – 21.2) |
na |
| 51 | 16 | 20.2 ± 1.4 (19.8 – 20.5) |
ns | 404 | 16 | 20.7 ± 1.2 (20.4 – 21.1 |
ns | |
| 75 | 16 | 20.4 ± 1.3 (19.9 – 20.9) |
ns | 130 | 16 | 20.9 ± 1.2 (20.5 – 21.3) |
ns | |
| 101 | 16 | 20.6 ± 0.3 (20.0 – 21.3) |
ns | 101 | 16 | 21.0 ± 0.3 (20.3 – 21.6) |
ns | |
| 207 mg/dl 11.3 mmol/liter |
101 | 16 | 50.2 ± 2.9 (49.6 – 50.8) |
na | 101 | 16 | 50.4 ± 2.9 (49.7 – 51.2) |
na |
| 51 | 16 | 56.0 ± 4.4 (54.9 – 57.2) |
p < 0.001 | 404 | 16 | 50.7 ± 2.5 (50.0 – 51.3) |
ns | |
| 75 | 16 | 56.4 ± 5.7 (54.3 – 58.6) |
p < 0.001 | 130 | 16 | 51.2 ± 2.6 (50.2 – 52.2) |
ns | |
| 101 | 16 | 55.6 ± 1.4 (52.6 – 58.7) |
p < 0.001 | 101 | 16 | 51.4 ± 0.7 (50.0 – 52.9) |
p < 0.05 | |
SD, standard deviation; na, not applicable; ns, not significant.
a
Values are shown as mean ± 2 standard deviation and 95% CI.
b
Pressure corresponding to respective altitude/depth: 101 kPa: sea level, 51 kPa: 18,000 ft/5500 m, 75 kPa: 8200 ft/2500 m, 404 kPa: 100 ft/30 m, and 130 kPa: 10 ft/3 m.