Parameter | Mean (95% CI) | Mean difference (95% CI) | Cohen’s d(95% CI) | MLM z value | MLMp value | |
---|---|---|---|---|---|---|
0 cGy | 18 cGy | |||||
AP threshold, mV | −41.9 (−43.2, −40.5) | −41.6 (−43.5, −39.7) | 0.29 (−1.74, 2.13) | 0.08 (−0.45, 0.67) | 0.300 | 0.765 |
AP height, mV | 87.5 (82.7, 92.3) | 87.9 (81.0, 94.7) | 0.37 (−6.05, 7.85) | 0.03 (−0.48, 0.57) | 0.106 | 0.915 |
AP width, ms | 1.24 (1.14, 1.35) | 1.19 (1.04, 1.35) | −0.048 (−0.228, 0.081) | −0.17 (−0.64, 0.36) | −0.618 | 0.536 |
AP afterhyperpolarization, mV | −8.45 (−9.84, −7.06) | −7.43 (−9.38, −5.48) | 1.02 (−0.75, 3.08) | 0.27 (−0.26, 0.72) | 1.022 | 0.307 |
Hyperpolarization sag, mV | 1.90 (1.62, 2.19) | 1.92 (1.51, 2.34) | 0.020 (−0.321, 0.366) | 0.03 (−0.52, 0.56) | 0.134 | 0.894 |
CIs for mean values are determined based on an MLM test; CIs for mean difference and Cohen’s d are based on a 5000 resampling, bias-corrected, and accelerated bootstrap analysis.