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Feasibility of Prolonged pH Monitoring
| Patients (n=322) | Controls (n=30) | P value | |
|---|---|---|---|
| At least 1 day data available | 316 (98%) | 30 (100%) | 1 |
| At least 2 day data pH available | 312 (96.9%) | 30 (100%) | 1 |
| At least 3 day data available | 292 (90.7%) | 28 (93.3%) | 1 |
| 4 day data available | 234 (72.7%) | 25 (83.3%) | 0.21 |
