Treatment arm | Range | Median | Mean (SD) | Difference in means (95% CI) | P value |
Cryotherapy double | 0–4 | 2 | 2.2 (1.0) | Reference | Reference |
Cryotherapy single | 0–3 | 2 | 1.8 (0.8) | 0.4 (−0.1 to 0.9) | 0.10 |
CryoPen double | 1–8 | 2 | 2.5 (1.4) | −0.3 (−1.0 to 0.3) | 0.32 |
CryoPen Single | 0–6 | 2 | 2.6 (1.4) | −0.4 (−1.0 to 0.3) | 0.26 |
Thermoablation | 1–9 | 3 | 4.1 (2.3) | −1.9 (−2.8 to −0.9) | <0.01 |
*Two-sided Student t-test, equal variances.