Characteristics of 15 subjects reporting clinical improvement, comparing initial and follow up tests
| Variable description | Sample size | Initial test ± SE | Follow up test ± SE | Test difference ± SE | p value |
|---|---|---|---|---|---|
| % smokers | 15 | 26.67 | 46.67 | 20% | 0.38 |
| % subjects with FSBP% = 0 | 15 | 6 (40%) | 3 (20%) | −20% | 0.38 |
| FSBP% | 15 | 47.04±11.03 | 67.75±9.93 | 20.71±10.91 | 0.18 |
| FSBP% ⩾30* | 8 | 83.10±5.73 | 87.28±7.51 | 4.18±8.63 | 0.73 |
| Baseline arm temp (°C) | 15 | 32.09±0.32 | 31.75±0.34 | −0.34±0.43 | 1.00 |
| Baseline finger temp (°C) | 15 | 29.00±0.95 | 29.60±0.86 | 0.60±1.22 | 1.00 |
| Finger temp (°C) at 10°C cooling | 15 | 25.33±1.15 | 25.51±0.93 | 0.18±1.02 | 1.00 |
| Finger temp (°C) at 30°C rewarmed | 15 | 25.95±1.12 | 25.33±0.90 | −0.62±1.11 | 0.58 |
| Finger temp (°C) at 10 min recovery | 11 | 27.42±1.57 | 27.13±1.28 | −0.29±1.13 | 0.55 |
| Finger temperature index (FTI) | 11 | −0.23±0.78 | 0.21±0.83 | 0.44±0.68 | 1.00 |
| Rewarming index 1 | 15 | −0.62±0.41 | 0.19±0.36 | 0.81±0.53 | 0.12 |
| Rewarming index 2 | 15 | 1.03±0.018 | 1.00±0.02 | −0.03±0.02 | 0.12 |