Table 2.
Change on clinical and psychosocial measures following CRT
| Measure | Total sample mean score (SD) (n = 21)
|
Nonischemic HF z-score change (n = 11) | Ischemic H z-score change (n = 10) | Sig. | ||
|---|---|---|---|---|---|---|
| Baseline | Follow-up | Sig. | ||||
| SF-36 | ||||||
| Physical function | 56.2 (23.7)** | 65.5 (24.8)** | t = 2.8 | +0.7* | +0.1* | t = 2.3 |
| Role-physical function | 52.5 (41.3) | 58.7 (40.8) | +0.6 | −0.3 | ||
| Pain index | 69.0 (24.1) | 75.9 (22.5) | +0.6 | −0.1 | ||
| General health perception | 55.5 (22.7) | 64.1 (21.7) | +0.9* | −0.2* | t = 2.3 | |
| Vitality score | 51.1 (18.6)** | 64.0 (23.6)** | t = 2.9 | +1.19** | −0.1** | t = 2.8 |
| Social function | 81.5 (22.9) | 82.7 (26.4) | +0.6* | −0.6* | t = 2.1 | |
| Role-emotional function | 63.3 (38.8) | 70.0 (35.7) | +0.6 | −0.2 | ||
| Mental health index | 74.5 (16.3) | 80.6 (17.8) | +0.4 | +0.3 | ||
| MLHF questionnaire | 30.6 (24.3) | 21.7 (23.9) | ||||
| Beck Depression Inventory-II | 7.3 (6.4) | 5.8 (6.5) | ||||
| Echocardiogram | ||||||
| Ejection fraction (%) | 30.0 (8.8)*** | 39.2 (9.0)** | t = 5.4 | |||
| LV end diastolic volume | 174.1 (76.2)** | 146.3 (74.5)** | t = 3.8 | |||
| LV end systolic volume | 123.6 (72.4)*** | 94.1 (67.2)*** | t = 6.2 | |||
| Electrocardiogram | ||||||
| QRS duration (ms) | 163.4 (17.0)*** | 144.1 (14.5)*** | t = 3.9 | |||
| 6-Minute Walk Test (feet) | 1150.0 (279.1)* | 1248.9 (345.2)* | t = 2.7 | |||
*
Notes: p < 0.05,
**
p < 0.01.
Abbreviations: LV, left ventricular; HF, heart failure.