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Comparison of clinical symptoms improvement between the two groups ( ± S).
| Group | Number of cases | Temperature recovery time (d) | Rales disappearing time (d) | White blood cell recovery time (d) | X-ray recovery time (d) |
|---|---|---|---|---|---|
| Observation group | 44 | 7.69 ± 1.26 | 10.34 ± 2.32 | 11.63 ± 2.56 | 10.93 ± 2.14 |
| Control group | 40 | 9.57 ± 0.99 | 12.53 ± 2.96 | 13.74 ± 2.98 | 12.68 ± 2.28 |
| χ 2 | — | 7.603 | 3.774 | 3.481 | 3.627 |
| P value | — | <0.001 | <0.001 | <0.001 | <0.001 |
