| Maximum resting pressure (mmHg) | Maximum squeeze pressure (mmHg) | Mean resting pressure (mmHg) | Mean squeeze pressure (mmHg) | |
|---|---|---|---|---|
| Water perfused station technique | 64 | 113.5 | 25 | 48.5 |
| Water perfused automated puller technique | 68 | 100 | 28 | 39 |
| Three dimensional high resolution anal | 66 | 128 | 59.5 | 99.5 |
There was good correlation between all three modalities despite the absolute values varying in value.