ROI | Camera | B | t0 | t5 | t10 | t15 |
---|---|---|---|---|---|---|
1 | IRT* | 0.51 (0.24–0.71) | 0.61 (0.36–0.78) | 0.52 (0.25–0.72) | 0.5 (0.23–0.7) | 0.54 (0.28–0.73) |
LSCI | 0.62 (0.39–0.78) | 0.86 (0.75–0.92) | 0.52 (0.25–0.71) | 0.34 (0.04–0.58) | 0.47 (0.19–0.68) | |
2 | IRT* | 0.51 (0.24–0.71) | 0.56 (0.3–0.75) | 0.54 (0.28–0.73) | 0.54 (0.28–0.73) | 0.55 (0.28–0.73) |
LSCI | 0.63 (0.4–0.78) | 0.59 (0.33–0.76) | 0.65 (0.43–0.79) | 0.54 (0.28–0.73) | 0.30 (0–0.55) | |
3 | IRT** | 0.59 (0.33–0.76) | 0.6 (0.35–0.77) | 0.55 (0.28–0.73) | 0.63 (0.4–0.79) | 0.70 (0.5–0.83) |
LSCI* | 0.55 (0.29–0.73) | 0.79 (0.63–0.89) | 0.5 (0.22–0.7) | 0.42 (0.13–0.65) | 0.55 (0.29–0.73) |
↵* n = 40.
↵** n = 39. IRT: infrared thermography; LSCI: laser speckle contrast imaging; ROI: region of interest; RP: Raynaud phenomenon; SSc: systemic sclerosis; B: baseline assessment at 23°C; t0: assessments immediately following cold challenge; t5: perfusion 5 min post cold challenge; t10: perfusion 10 min post cold challenge; t15: perfusion 15 min post cold challenge.