Table2. Baseline Characteristics of LBBP Patients in Included Studies
Study Inclusion criteria Age (Years) Gender (Male, %) LVEF (%) ICM (%) Intrinsic QRSd (ms) Success rate (%)
Guo et al.2020 LBBB, LVEF≤35%, NYHA functional class II to IV 66.1 ± 9.7 42.9 30.0 ± 5.0 9.5 167.7 ± 14.9 87.5
Li et al. 2020 LBBB, LVEF ≤ 35%, NYHA functional class II to IV 56.8 ± 10.1 59.5 29.3 ± 5.9 18.9 177.9 ± 18.8 81.08
Wang et al. 2020 Sinus rhythm, LBBB, LVEF≤35%, NYHA functional class II to IV 64.80 ± 7.25 90 26.80 ± 3.85 10 183.60 ± 19.27 N/A
Wu et al. 2020 LBBB, LVEF≤40%, NYHA functional class II to IV, failed HBP 67.2 ± 13 43.8 30.9 ±7.3 3.1 166.2 ± 16.2 N/A
Liu et al. 2021 LBBB, LVEF≤35%, NYHA functional class II to IV 65.5 ± 8.8 51.9 29.9 ± 4.8 25.9 177.1 ± 16.7 94.12
Zu et al. 2021 QRSd>150 ms, LBBB, LVEF<35%, NYHA functional class II to IV 61.77 ± 12.37 61.5 30.62±6.983 0 167.46 ± 28.11 N/A
Chen et al. 2022 QRSd>150 ms, LBBB, LVEF<35%, NYHA functional class II to IV 67.14± 8.88 49.98 29.05±5.09 26.53 180.12 ± 15.79 98.00
Hua et al. 2022 QRSd>150 ms, LBBB, LVEF<35%, NYHA functional class II to IV 65.50 ± 6.91 71.43 30.05±7.03 N/A 177.91 ± 14.67 NA
Rademakers et al. 2022 LBBB, LVEF≤35%, NYHA functional class II to IV 68± 13 48 28±8 28 166± 15 77.50
Wang et al. 2022 LBBB, LVEF≤40%, NYHA functional class II to IV, NICM 62.3 ±11.2 35 28.3±5.3 0 174.6± 14.3 90.00