Table 5.
Baseline Symptom Class Prediction of Quality of Life at Hospitalizations at 3 and 12 Months Post ICD Implant
| 3 Months Post Implant | 12 Months Post Implant | |||||||
|---|---|---|---|---|---|---|---|---|
| QOL: Mental Health Status (SF-36 MCS)* | ||||||||
| B | SE | t | p-value | B | SE | t | p-value | |
| Multi-Symptom Class | −6.35 | 1.57 | −4.04 | < 0.001 | −7.09 | 1.56 | −4.55 | < 0.001 |
| Tired-Rundown Class | −2.12 | 1.5 | −1.41 | 0.16 | −2.12 | 1.48 | −1.43 | 0.15 |
| Income: < $10,000 | −4.45 | 3.55 | −1.25 | 0.21 | ||||
| Income: $10,000–29,000 | −2.59 | 1.67 | −1.55 | 0.12 | ||||
| Income: $30,000–49,000 | −1.8 | 1.56 | −1.15 | 0.25 | ||||
| Income: $50,000–69,000 | 0.14 | 1.7 | 0.08 | 0.94 | ||||
| Income: $70,000–89,000 | −2.15 | 1.78 | −1.21 | 0.23 | ||||
| Primary Prevention ICD | −2.62 | 1.19 | −2.2 | 0.03 | ||||
| Age | 0.11 | 0.05 | 2.36 | 0.02 | 0.14 | 0.05 | 2.99 | <0.01 |
| LVEF | 0.05 | 0.04 | 1.17 | 0.25 | ||||
| QOL: Physical Health Status (SF-36 PCS)* | ||||||||
| B | SE | t | p-value | B | SE | t | p-value | |
| Multi-Symptom Class | −11.5 | 1.73 | −6.66 | < 0.001 | −10.35 | 1.77 | −5.85 | < 0.001 |
| Tired-Rundown Class | −7.3 | 1.65 | −4.42 | < 0.001 | −6.48 | 1.68 | −3.86 | < 0.001 |
| Income: < $10,000 | −7.85 | 3.91 | −2.01 | 0.05 | −6.63 | 4.02 | −1.65 | 0.1 |
| Income: $10,000–29,000 | −5.61 | 1.88 | −2.99 | <0.01 | −6.85 | 1.94 | −3.53 | < 0.001 |
| Income: $30,000–49,000 | −4.95 | 1.69 | −2.92 | <0.01 | −5.81 | 1.78 | −3.26 | <0.01 |
| Income: $50,000–69,000 | −2.61 | 1.84 | −1.42 | 0.16 | −5.06 | 1.92 | −2.64 | <0.01 |
| Income: $70,000–89,000 | −2.24 | 1.91 | −1.17 | 0.24 | −3.59 | 2.01 | −1.78 | 0.08 |
| Primary Prevention ICD | −0.55 | 1.29 | −0.43 | 0.67 | −2.03 | 1.34 | −1.52 | 0.13 |
| Comorbidity (CCI) | −2.03 | 0.41 | −4.93 | < 0.001 | −2.39 | 0.44 | −5.43 | < 0.001 |
| Age | −0.06 | 0.05 | −1.22 | 0.22 | −0.9 | 0.05 | −1.75 | 0.08 |
| LVEF | 0.03 | 0.05 | 0.68 | 0.5 | 0.01 | 0.05 | 0.1 | 0.92 |
| Hospitalizations** | ||||||||
| Baseline Variable | B | SE | Wald χ2 | p-value | B | SE | Wald χ2 | p-value |
| Multi-Symptom Class | 0.33 | 0.41 | 0.65 | 0.42 | 0.63 | 0.27 | 5.44 | 0.02 |
| Tired-Rundown Class | 0.13 | 0.41 | 0.09 | 0.76 | 0.11 | 0.28 | 0.14 | 0.71 |
| Income: $10,000–29,000 | 0.81 | 0.41 | 3.9 | 0.05 | 0.55 | 0.28 | 3.72 | 0.05 |
| Income: $30,000–49,000 | 0.88 | 0.39 | 5.17 | 0.02 | 0.46 | 0.27 | 2.99 | 0.08 |
| Income: $50,000–69,000 | −0.42 | 0.6 | 0.49 | 0.48 | 0.04 | 0.32 | 0.01 | 0.91 |
| Income: $70,000–89,000 | 0.13 | 0.52 | 0.06 | 0.81 | 0.27 | 0.32 | 0.73 | 0.39 |
| Primary Prevention ICD | −0.57 | 0.27 | 4.47 | 0.03 | ||||
| Comorbidity (CCI) | 0.18 | 0.05 | 10.61 | 0.001 | ||||
QOL: Quality of Life. ICD: implantable cardioverter defibrillator. CCI: Charlson Comorbidity Index. LVEF: Left Ventricular Ejection Fraction.
*
General Linear Model, Univariate Analysis of Variance.
**
Poisson regression.