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Methods used to achieve diagnosis for each clinical entity.
| Group | Diagnosis method n (%) | ||
|---|---|---|---|
| Clinical history | NPT-LASA | Positive DPT to ASA | |
| Blended n = 261 | 41 (15.7) | 201 (77) | 19 (7.3) |
| NERD n = 108 | 20 (18.54) | 85 (78.7) | 3 (2.8) |
| NIUA n = 511 | 340 (66.5) | — | 172 (33.6) |
| p | <0.0001 | NS | <0.0001 |
