Table 4.
Correlation of Various Factors with COPD Complicated by Acute Lower Respiratory Bacterial Infection
| Indices | Value | P |
|---|---|---|
| Gender | χ2=1.530 | 0.216 |
| Age (years) | r=0.238# | * |
| Smoker | χ2=1.156 | 0.282 |
| BMI(kg/m2) | r=−0.067 | 0.492 |
| NEUT (*10^9/L) | r=0.508## | *** |
| LYMPH (*10^9/L) | r=−0.346## | *** |
| CRP (mg/L) | r=0.484## | *** |
| ESR (mm/h) | r=0.446## | *** |
| Endotoxin (EU/mL) | r=0.385## | *** |
| ApoA1 (g/L) | r=−0.498## | *** |
| ApoB (g/L) | r=−0.086 | 0.374 |
| ApoA1/B | r=−0.255## | ** |
Notes: χ2: Chi-square value from Chi-square test; r: #Correlation is significant at the 0.05 level (two-tailed); ##Correlation is significant at the 0.01 level (two-tailed). ***P<0.001; **P<0.01; *P<0.05.
Abbreviations: BMI, Body Mass Index; ApoA1, apolipoprotein A1; ApoB, apolipoprotein B; ApoA1/ B, apolipoprotein A1/apolipoprotein B; LYMPH, lymphocyte; NEUT, neutrophil; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate.