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Table 2 Summary of demographic, CPET and QoL Data (N = 115)

From: Validation of a new simple scale to measure symptoms in heart failure from traditional Chinese medicine view: a cross-sectional questionnaire study

 

NYHA FC II

NYHA FC III

Anthropometrics (Clinical characteristics)

 Subjects (N (%))

66 (57)

49 (43)

 Gender (M/F)

56/10

38/11

 Median age (y)

 (interquartile range)

56 (50–62)*

62 (57–71)

 Height (cm)

166.4 ± 7.6

163.1 ± 8.5

 Weight (kg)

71.0 ± 14.9

71.1 ± 19.1

 BMI (kg/m2)

25.5 ± 4.4

26.6 ± 6.3

 HR (beats/min)

73 ± 11

71 ± 12

 SBP (mmHg)

123 ± 22

122 ± 22

 DBP (mmHg)

77 ± 13

72 ± 15

 NYHA Fc

 (from clinician)

2.6 ± 0.5

2.5 ± 0.5

Echocardiography

 LVEF (%)

43.5 ± 14.1

39.5 ± 13.6

Exercise performance at peak phase

 Work-rate (Watts)

115 ± 27*

75 ± 22

 HR (beats/min)

144 ± 21*

118 ± 22

 MBP (mmHg)

115 ± 17*

102 ± 15

 VE (L/min)

61.0 ± 14.7*

46.1 ± 14.0

 VO2peak (mL/min/kg)

20.7 ± 3.7*

14.0 ± 2.3

 VE- VCO2 slope

31.25 ± 4.67*

37.14 ± 8.58

 OUES

709.1 ± 173.1*

525.8 ± 164.4

Quality of Life

 SF-36

  PCS

51.44 ± 6.73*

45.26 ± 8.54

  MCS

48.52 ± 9.40*

42.64 ± 11.10

 MLHFQ

16.5 ± 12.9*

25.3 ± 19.2

 TCM inquiry

50.6 ± 29.6*

76.0 ± 53.2

  1. Independent t-test; *p < 0.05
  2. CPET cardiopulmonary exercise test, Fc II, Fc III New York Heart Association functional class II, and III, QoL quality of life, BMI Body Mass Index, HR heart rate, SBP systolic blood pressure, DBP diastolic blood pressure, LVEF left ventricular ejection fracture, MBP mean blood pressure, V E minute ventilation, VO 2 oxygen consumption, V E- VCO 2 slope the slope of minute ventilation vs. carbon dioxide production, OUES oxygen uptake efficiency slope, SF-36 short form 36, PCS physical component score, MCS mental component score, MLHFQ Minnesota Living With Heart Failure Questionnaire, TCM traditional Chinese medicine