Analysis of mode of treatment by numbers of patients treated per year
| ≤20 | >20 | ||
|---|---|---|---|
| Patients/year | Patients/year | p Value | |
| (n=31) | (n=64) | (by χ2) | |
| *Significant at 95%. | |||
| A. Needle aspiration | 12 | 45 | 0.003* |
| B. Incision and drainage | 14 | 9 | 0.001* |
| C. Abscess tonsillectomy | 0 | 1 | 1.00 |
| D. Other | 2 | 3 | 0.66 |
| A + B | 3 | 4 | 0.679 |
| A + D | 0 | 1 | 1.00 |
| B + D | 0 | 1 | 1.00 |









