Table 4.
Multivariate logistic models for risk factors of SAP.
| Unadjusted analysis | Adjusted analysis | |||
|---|---|---|---|---|
| OR (95% CI) | P -value | OR (95%CI) | P -value | |
| Age | 1.059 (1.037–1.081) | <0.001 | 1.031 (1.007–1.056) | 0.011 |
| Sex, female | 1.047 (0.681–1.609) | 0.834 | ||
| NIHSS on admission | 1.251 | <0.001 | 1.138 (1.076–1.203) | <0.001 |
| Atrial fibrillation | 3.308 (2.038–5.370) | <0.001 | NS | NS |
| Dysphagia | 12.520 (7.898–19.845) | <0.001 | 5.216 (2.953–9.212) | <0.001 |
| Albumina | 0.886 (0.848–0.927) | <0.001 | ||
| PT | 1.279 (1.111–1.427) | 0.001 | NS | NS |
| INR | 10.285 (2.609–40.554) | 0.001 | NS | NS |
| aPTT | 1.102 (1.059–1.146) | <0.001 | 1.074 (1.021–1.130) | 0.005 |
| Fibrinogena | 1.959 (1.668–2.300) | <0.001 | ||
| D-dimer | 1.065 (1.022–1.011) | <0.001 | NS | NS |
| High FAR (FAR≥0.0977) | 4.341 (2.775–6.791) | <0.001 | 2.830 (1.654–4.840) | <0.001 |
| Anticoagulant drugs | 1.782 (1.057–3.003) | 0.03 | NS | NS |
| Antiplatelet drugs | 0.241 (0.126–0.461) | <0.001 | NS | NS |
| Length of stay | 1.137 (1.083–1.193) | <0.001 | NS | NS |
Logistic regression analysis adjusted for the 12 variables (P < 0.1) listed. SAP, stroke-associated pneumonia; OR, odds radio; FAR, fibrinogen to albumin ratio; PT, prothrombin time; aPTT, activated partial thromboplastin time; INR, international normalized ratio.
a
These parameters are not entered in the multivariate analysis in order to prevent multicollinearity.