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Table 1 Numbers of subjects (n) studied by noninvasive 1.5 T and 3 T 31P CMRS between 1999 and 2011 and their age (mean ±SD), gender, and clinical assessment at the time of CMRS

From: Neural-network classification of cardiac disease from 31P cardiovascular magnetic resonance spectroscopy measures of creatine kinase energy metabolism

 

1.5 T (n = 124)

3 T (n = 54)

HCM

DCM

NYHA class I

NYHA class II

NYHA class III

NYHA class IV

Control

31

14

      

 Age (yr)

40±8

40±18

      

 M/F

20/11

7/7

      

HF-NICM

69

40

23

38

17

56

32

4

 Age (yr)

48±11

46±14

48±13

49±12

44±13

48±12

47±12

44±5

 M/F

43/26

16/26

11/12

29/9

10/7

27/29

20/12

2/2

HCM-no HF

9

 

9

     

 Age (yr)

59±13

 

59±13

     

 M/F

5/4

 

4/5

     

Anterior  MI-no HF

15

       

 Age (yr)

57±16

       

 M/F

12/3

       
  1. HF Heart failure, NICM nonischemic cardiomyopathy; M/F Male/Female, HCM Hypertrophic cardiomyopathy, MI Myocardial infarction, NYHA New York Heart Association (clinical classification for HF)