Table 2 Multivariable logistic regression model for the development of post-ECMO CRDs among ECMO survivors
From: Chronic respiratory disease and survival outcomes after extracorporeal membrane oxygenation
Variable | Multivariable model | P-value |
|---|---|---|
OR (95% CI) | ||
Age, year | 1.02 (1.01, 1.03) | < 0.001 |
Sex, male | 1.00 (0.78, 1.28) | 0.987 |
Residence at ECMO treatment | ||
Capital city (Seoul) | 1 | |
Other metropolitan city | 0.88 (0.62, 1.27) | 0.502 |
Other area | 1.09 (0.82, 1.46) | 0.546 |
Year of ECMO treatment | ||
2006 | 1 | |
2007 | 2.17 (0.92, 5.15) | 0.078 |
2008 | 1.26 (0.52, 3.06) | 0.615 |
2009 | 1.10 (0.46, 2.67) | 0.826 |
2010 | 1.22 (0.53, 2.84) | 0.638 |
2011 | 1.58 (0.71, 3.53) | 0.267 |
2012 | 1.28 (0.58, 2.86) | 0.539 |
2013 | 1.72 (0.79, 3.72) | 0.171 |
2014 | 1.81 (0.84, 3.88) | 0.129 |
Annual income level at ECMO treatment | ||
Q1 (Lowest) or unknown | 1 | |
Q2 | 1.29 (0.87, 1.89) | 0.201 |
Q3 | 1.28 (0.90, 1.82) | 0.174 |
Q4 (Highest) | 1.88 (1.36, 2.59) | < 0.001 |
Annual case volume of ECMO therapy | ||
Q1 < 19 | 1 | |
Q2: 19–43 | 1.03 (0.75, 1.41) | 0.859 |
Q3: 44–102 | 0.67 (0.48, 0.93) | 0.017 |
Q4 > 102 | 0.54 (0.37, 0.79) | 0.002 |
Charlson comorbidity index, point | 1.05 (0.99, 1.10) | 0.088 |
Underlying disability | ||
Mild to moderate | 1.18 (0.84, 1.64) | 0.344 |
Severe | 1.81 (1.29, 2.53) | 0.001 |
Duration of ECMO therapy, day | 1.02 (1.01, 1.03) | < 0.001 |
Length of hospital day, day | 1.00 (0.99, 1.01) | 0.675 |
Main diagnosis at ECMO therapy | ||
Cardiovascular group | 1 | |
Respiratory group | 2.00 (1.39, 2.89) | < 0.001 |
Others | 1.21 (0.99, 1.01) | 0.675 |