Table 3. The effect size of outcomes after HBP/LBBP upgrading.
| Outcomes | Upgrading methods | Effective size (95% CI) | I2 |
|---|---|---|---|
| LVEF | HBP | 13.28% (95% CI [−11.64 to 14.92]) | I2 = 36% |
| LBBP | 14.43% (95% CI [−13.01 to 15.85]) | I2 = 40% | |
| NHYA classification | HBP | −1.18 (95% CI [−1.97 to −0.39]) | I2 = 90% |
| LBBP | −0.95 (95% CI [−1.33 to −0.58]) | I2 = 85% | |
| QRSd | HBP | −63.16 (95% CI [−67.00 to −59.32]) | I2 = 17% |
| LBBP | −57.98 (95% CI [−62.52 to −53.25]) | I2 = 0% | |
| LVEDD | HBP | −4.12 (95% CI [−5.79 to −2.45]) | I2 = 0% |
| LBBP | −6.26 (95% CI [−9.87 to −2.64]) | I2 = 68% | |
| Threshold | HBP | 0.14 (95% CI [0.05–0.33]) | I2 = 49% |
| LBBP | 0.07 (95% CI [0.00–0.13]) | I2 = 87% | |
| Sensed R-wave amplitude | HBP | −0.20 (95% CI [−2.54 to 2.13]) | I2 = 0% |
| LBBP | −0.14 (95% CI [−1.22 to 1.49]) | I2 = 76% | |
| Impedance | HBP | −11.10 (95% CI [−42.18 to 19.98]) | I2 = 0% |
| LBBP | −25.14 (95% CI [−82.38 to 32.09]) | I2 = 93% |
Note:
LVEF, left ventricular ejection fraction; QRSd, QRS duration; LVEDD, left ventricular end-diastolic diameter; HBP, His-bundle pacing; LBBP, left bundle branch pacing.