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Table 4 Correlations between the global KCCQ score and different parameters

From: Quality of life status determinants in hypertrophic cardiomyopathy as evaluated by the Kansas City Cardiomyopathy Questionnaire

Variable Global KCCQ
Kendall’s tau-b correlation coefficient
Sig. (p value)
Age (y)  − 0.18 0.011
Chronic kidney disease  − 0.22 0.013
History of syncope  − 0.18 0.045
NYHA functional class  − 0.33  < 0.001
eGFR (mL/min/1.73 m2) 0.31  < 0.001
Serum urea (mg/dl)  − 0.27  < 0.001
Serum creatinine (mg/dl)  − 0.18 0.017
R wave amplitude in aVL lead (mm)  − 0.16 0.042
LVEF (%) 0.15 0.04
PASP (mmHg)  − 0.20 0.016
PAT (ms) 0.21 0.007
Average E/e′ ratio  − 0.16 0.039
Pulmonary hypertension  − 0.23 0.011
Max provoked intraventricular gradient (mmHg) 0.20 0.039
LV ESD (mm)  − 0.18 0.014
IVS thickness (mm)  − 0.11 0.109
LA antero-posterior diameter (mm) 0.05 0.499
BNP (pg/ml)  − 0.10 0.252
  1. LV ESD left ventricular end-systolic dimension, LVEF left ventricular ejection fraction, PASP pulmonary artery systolic pressure, PAT pulmonary acceleration time, E/e′ ratio peak mitral inflow-to-mitral relaxation velocity ratio, IVS interventricular septum, LA left atrium, BNP brain natriuretic peptide