Table 4 Logistic regression analysis of factors predicting the occurrence of HRCT changes
From: Aluminosis – Detection of an almost forgotten disease with HRCT
Analysis of Maximum Likelihood Estimates | Odds Ratio Estimates | |||||||
|---|---|---|---|---|---|---|---|---|
Parameter | DF | Estimate | Standard Error | Wald Chi-Square | Pr>ChiSq | Point Estimate | 95% Wald Confidence Limits | |
Intercept | 1 | -14.5072 | 10.9830 | 1.7447 | 0.1865 | |||
Age | 1 | -0.0571 | 0.0630 | 0.8217 | 0.3647 | 0.944 | 0.835 | 1.069 |
Time of exposure | 1 | 0.0152 | 0.00681 | 4.9905 | 0.0255 | 1.015 | 1.002 | 1.029 |
Smoking habits | 1 | 0.4164 | 1.1040 | 0.1423 | 0.7060 | 1.516 | 0.174 | 13.200 |
Vital capacity | 1 | -0.0664 | 0.0371 | 3.2085 | 0.0733 | 0.936 | 0.870 | 1.006 |
FEV1/VC | 1 | 0.2206 | 0.1231 | 3.2149 | 0.0730 | 1.247 | 0.980 | 1.587 |
Resistance | 1 | -4.9536 | 5.8181 | 0.7249 | 0.3945 | 0.007 | <0.001 | 632.518 |
Al (urine(creat.) | 1 | 0.00768 | 0.00278 | 7.6541 | 0.0057 | 1.008 | 1.002 | 1.013 |