Table 5 Results of multivariate analysis of factors associated with presence of bacteria in sputum and with high bacterial load.
From: Colour of sputum is a marker for bacterial colonisation in chronic obstructive pulmonary disease
Factor | OR | 95% CI | P value |
|---|---|---|---|
Factors associated with bacteria in sputum | |||
Degree of dyspnoea | 2.63 | 1.53 - 5.09 | 0.004 |
Sputum colour | 4.11 | 2.30 - 7.29 | <0.001 |
Factors associated with high bacterial load as opposed to no bacteria and low bacterial load | |||
Degree of dyspnoea | 2.01 | 1.17 - 3.46 | 0.012 |
Sputum colour | 1.99 | 1.32 - 2.99 | 0.001 |