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. 2020 Jan 17;2020:1257578. doi: 10.1155/2020/1257578

Table 1.

Baseline characteristics.

Characteristics Total population (n=101) Responders (n=68) Nonresponders (n=33) P value
Age (years) 61.22 ± 9.54 61.65 ± 10.39 60.33 ± 7.55 0.473
Sex (female) 31 (30.7%) 19 (27.9%) 12 (36.4%) 0.389
BNP (ng/L) 401 (213–1185) 321 (181.3–1129) 685 (325.5–1230) 0.537
NYHA class
 II 21 (20.8%) 15 (22.1%) 6 (18.2%) 0.652
 III 60 (59.4%) 40 (58.8%) 20 (60.6%) 0.864
 IV 20 (19.8%) 13 (19.1%) 7 (21.2%) 0.804
HF duration (months) 48 (12–72) 30 (12–72) 60 (30–96) 0.192
Hypertension, n (%) 21 (20.8%) 15 (22.1%) 6 (18.2%) 0.652
CRD, n (%) 18 (17.8%) 11 (16.2%) 7 (21.2%) 0.535
ICM, n (%) 17 (16.8%) 12 (17.6%) 5 (15.2%) 0.756
LVEF (%) 29.40 ± 4.42 29.56 ± 4.10 29.08 ± 5.06 0.609
LAD (mm) 44.39 ± 5.48 43.41 ± 5.20 46.43 ± 5.58 0.009
LVEDD (mm) 70.06 ± 7.84 68.68 ± 7.38 72.91 ± 8.12 0.010
MR (cm2) 7.2 (4.5–10.4) 7.2 (4.5–10.4) 7.5 (4.4–10.4) 0.278
QRS duration (ms) 165.30 ± 21.33 171.20 ± 21.56 153.30 ± 15.07 < 0.001
LBBB, n (%) 62 (61.4%) 47 (69.1%) 15 (45.5%) 0.022
Mean follow-up time (months) 23.76 ± 14.48 23.60 ± 14.83 24.09 ± 13.95 0.875

Values are mean ± SD, median (range) or n (%). BNP: brain natriuretic peptide; NYHA: New York Heart Association; HF: heart failure; CRD: chronic renal dysfunction; ICM: ischemic cardiomyopathy; LVEF: left ventricular ejection fraction; LAD: left atrial dimension; LVEDD: left ventricular end-diastolic dimension; MR: mitral regurgitation; LBBB: left bundle branch block.