Table 5.
Results of multivariable linear models for potential factors influencing the cTnI level.
|
Unstandardized |
Standardized |
95% CI of B |
||||
|---|---|---|---|---|---|---|
| Factor | B | Std error | Beta | p-value | Lower bound | upper bound |
| Constant | 11.573 | 1.839 | <0.001* | 9.923 | 15.222 | |
| DEX | −3.989 | 0.765 | −0.454 | <0.001* | −5.507 | −2.471 |
| CPB time | 0.034 | 0.014 | 0.220 | 0.015* | 0.007 | 0.061 |
| NYHA class | 0.780 | 0.622 | 0.112 | 0.213 | −0.455 | 2.015 |
cTnI, cardiac troponin I; CI, confidence interval; DEX, dexmedetomidine; CPB, cardiopulmonary bypass; NYHA, New York Heart Association; Std error, standard error. The independent variables are DEX and CPB. The dependent variable is the cTnI level. A negative standardized beta value indicates that the use of DEX is associated with a lower cTnI level. *p<0.05.