Table 2.
Univariate and multivariate analyses of the correlations of clinical variables and aspiration pneumonia.
| Variable | Odds ratio | 95% Confidence interval | Univariate p value | Univariate AUC | Multivariate p value | |
|---|---|---|---|---|---|---|
| Age | 1.06 | 0.99 | 1.14 | .0935 | 0.624 | |
| Smoking history | 1.94 | 0.56 | 6.79 | .2992 | 0.571 | |
| Current smoker | 3.58 | 1.08 | 11.9 | .0376 | 0.629 | .1386 |
| Baseline BMI | 0.97 | 0.85 | 1.10 | .605 | 0.54 | |
| Disease site | ||||||
| Base of tongue | 1.67 | 0.53 | 5.21 | .380 | 0.562 | |
| Tumor volume, cc | 1.01 | 1.00 | 1.01 | .0688 | 0.672 | |
| T classification | 2.54 | 1.32 | 4.87 | .0050 | 0.736 | .0123 |
| N classification | 1.24 | 0.77 | 1.99 | .3705 | 0.614 | |
| AJCC stage | 0.80 | 0.23 | 2.80 | .721 | 0.52 | |
| Sex | 0.43 | 0.09 | 2.01 | .281 | 0.549 | |
| Neck dissection | 0.704 | 0.199 | 2.49 | .589 | 0.536 | |
Abbreviations: AUC, area under the curve; BMI, body mass index; AJCC, American Joint Committee on Cancer.