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Table 4 Intra- and inter-observer variability for measurement of papillary muscle size

From: Relationship between native papillary muscle T1 time and severity of functional mitral regurgitation in patients with non-ischemic dilated cardiomyopathy

 

Intra observer variability

Inter observer variability

ICC

95 % CI

ICC

95 % CI

Maximum papillary muscle diameter

0.93

0.84–0.97

0.92

0.81–0.97

Minimum papillary muscle diameter

0.87

0.69–0.94

0.82

0.61–0.93

Maximum papillary muscle length

0.91

0.78–0.96

0.88

0.73–0.95

Minimum papillary muscle length

0.91

0.78–0.96

0.86

0.70–0.95

  1. CI confidence interval, ICC intra class correlation coefficients