Table 3. Finger skin temperature (°C) of the subjects before, during and after the cold immersion test. The values are given as the mean ± SD (standard deviation) for each group. The results of one-way ANOVA and the Tukey HSD post-hoc test are also shown.
| Group | Before immersion |
During immersion |
1 min after immersion |
2 min after immersion | 3 min after immersion |
4 min after immersion | 5 min after immersion |
|---|---|---|---|---|---|---|---|
| Primary RP (group A) n=10 |
25.3 ± 3.5 | 15.2 ± 1.7 | 16.9 ± 1.5 | 17.2 ± 1.3 | 17.6 ± 1.4 | 17.9 ± 1.4 | 18.1 ± 1.4 |
| PSS secondary to RP (group B) n=7 |
28.3 ± 4.0 | 19.4 ± 6.0 | 21.3 ± 3.6 | 22.0 ± 4.4 | 22.3 ± 4.5 | 22.7 ± 4.7 | 24.3 ± 4.3 |
| Control (group C) n=17 |
30.7 ± 3.6 | 18.3 ± 4.5 | 22.3 ± 4.0 | 23.4 ± 4.3 | 24.2 ± 4.8 | 25.0 ± 5.2 | 25.8 ± 5.5 |
| Statistical results | |||||||
| One-way ANOVA | F (2, 31)=6.9 p=0.003 |
F (2, 31)=2.4 p=0.1 |
F (2, 31)=8.2 p=0.001 |
F (2, 31)=8.9 p=0.001 |
F (2, 31)=8.4 p=0.001 |
F (2, 31)=8.4 p=0.001 |
F (2, 31)=9.7 p=0.001 |
| Tukey honestly significant difference (HSD) post-hoc test | group A vs group C, 95% CI=1.8–8.9 p=0.002 |
NS* | group A vs group C, 95% CI=2.1–8.7 p=0.001 |
group A vs group C, 95% CI=2.5–9.8 p=0.001 |
group A vs group C, 95% CI=2.6–10.5 p=0.001 |
group A vs group C, 95% CI=2.8–11.3 p=0.001 |
group A vs group C, 95% CI=3.3–12.0 p=0.001 |
NS*: One-way ANOVA could not detect (p>0.05) any significant differences among the correspondence means.