Tabla 2.
| Variable | Coeficiente β | Error estándar | p |
|---|---|---|---|
| Constante | -7,8 | 2,9 | 0,006 |
| Signo de Blumberg | 3 | 1,3 | 0,023 |
| PCR > 7 mg/L | 1,9 | 0,6 | 0,048 |
| INL > 2,8 | 1,3 | 0,4 | 0,049 |
| Ecografía positiva | 6,2 | 1,8 | <0,001 |
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