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Comparison of bacterial clearance rates between the two groups on the 3rd, 7th, and 14th days after treatment (n, %).
| Group | n | 3rd day after treatment | 7th day after treatment | 14th day after treatment |
|---|---|---|---|---|
| Observation group | 71 | 39 (54.93) | 45 (63.38) | 64 (90.14) |
| Control group | 67 | 34 (50.75) | 42 (62.69) | 52 (77.61) |
| χ 2 | — | 0.242 | 0.007 | 4.038 |
| P value | — | 0.623 | 0.933 | 0.044 |
