Table 2

Normal range of T3/4redilatation times with 95% confidence intervals

Reflex amplitude (mm)Redilatation time
2.5% (s)Expected (s)97.5% (s)
1.00.161.643.12
1.50.552.003.44
2.00.932.353.78
2.51.282.714.14
3.01.623.074.52
3.51.943.434.91