Table 3. Regression analysis for the preoperative nasal nitric oxide level.
| Univariate analysis | Multiple linear regression | |||||
|---|---|---|---|---|---|---|
| Estimate (95% CI) | P value | Estimate (95% CI) | P value | |||
| Diagnosis | ||||||
| Fungus | Baseline | Baseline | ||||
| Mass | 189.9 | (124.2 to 255.6) | <0.001* | 177.9 | (85.4 to 270.5) | <0.001* |
| CRSsNP | 235.4 | (129.8 to 341.0) | <0.001* | 204.2 | (102.0 to 306.3) | <0.001* |
| CRSwNP | 197.8 | (108.1 to 287.5) | <0.001* | 215.2 | (107.3 to 323.0) | <0.001* |
| Age | -4.3 | (-7.8 to -0.8) | 0.018* | -2.5 | (-5.7 to 0.8) | 0.132 |
| Gender | -24.3 | (-108.4 to 59.9) | 0.566 | |||
| Nasal resistance | -37.1 | (-88.0 to 13.8) | 0.150 | |||
| Endoscopy score | 23.5 | (-2.3 to 49.2) | 0.074 | |||
| CT score | -5.2 | (-20.0 to 9.6) | 0.486 | |||
| Eosinophil | 11.7 | (-5.3 to 28.7) | 0.173 | |||
| Total IgE | 0.0 | (-0.3 to 0.3) | 0.921 | |||
| AR | 69.9 | (-16.0 to 155.8) | 0.109 | |||
| Smoking | 4.0 | (-94.4 to 102.3) | 0.936 | |||
| Asthma | -6.3 | (-208.7 to 196.1) | 0.951 | |||
| SNOT-22 score | -1.6 | (-3.8 to 0.6) | 0.159 | |||
CRSsNP, chronic rhinosinusitis without nasal polyps; CRSwNP, chronic rhinosinusitis with nasal polyps; CT, computed tomography; AR, Allergic rhinitis; SNOT-22, SinoNasal Outcome Test-22.
*P level was statistically significant.