Table 4.
Estimation of the effect of nitroglycerin dose on all parameters of peripheral perfusion
| Estimate | 95% CI | P value | |
|---|---|---|---|
| Constant |
8.9 |
4.60, 13.10 |
0.001 |
| Capillary refill time, seconds |
-0.91 |
-1.10, -0.50 |
0.001 |
| Tskin-diff, degrees Celsius |
0.35 |
0.09, 0.61 |
0.008 |
| Perfusion index, percentage |
1.2 |
0.55, 1.85 |
0.001 |
| StO2, percentage |
-0.02 |
-0.07, 0.03 |
0.42 |
| StO2, percentage, corrected for baseline StO2 | 0.30 | 0.14, 0.47 | 0.001 |
CI, confidence interval; StO2, tissue oxygen saturation; Tskin-diff, forearm-to-fingertip skin temperature gradient.