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Comparative analysis of the isolates between the 1st episodes and those with previous episodes.
| Episodes of tonsillitis | χ2 | p value | ||
|---|---|---|---|---|
| First episode | Had previous episode(s) | |||
| Positive bacterial isolate(s) | 44 (29.7%) | 3 (12.5%) | 3.087 | 0.079 |
| No bacterial isolate(s) | 104 (70.3%) | 21 (87.5%) | ||
