Table 3.
Comparison of sputum viscosity between two groups at different time points.
| Group | Case （n） |
Sputum viscosity before treatment (case) |
6 h sputum viscosity (case) |
12h sputum viscosity (case) |
12h sputum viscosity (case) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grade I | Grade II | Grade III | Grade I | Grade II | Grade III | Grade I | Grade II | Grade III | Grade I | Grade II | Grade III | ||
| Routine group | 38 | 16 | 7 | 15 | 16 | 12 | 10 | 7 | 10 | 21 | 1 | 8 | 29 |
| HNFC group | 38 | 15 | 5 | 18 | 15 | 15 | 8 | 8 | 22 | 8 | 4 | 24 | 10 |
| χ2 value | 0.638 | 0.588 | 10.394 | 19.956 | |||||||||
| p value | 0.727 | 0.745 | 0.006 | 0.000 | |||||||||
Note: HFNC: humidified oxygen therapy.