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Table 1 Summary of descriptive statistics for A-value, and lateral wall cochlear duct lengths at various angular intervals along the cochlea.

From: Cone beam CT for perioperative imaging in hearing preservation Cochlear implantation – a human cadaveric study

Modality

Descriptive Test

A-value

(mm)

720°

(mm)

540°

(mm)

450°

(mm)

360°

(mm)

uCT

Mean

8.89

33.61

28.09

25.22

21.87

 

Standard Deviation

0.30

1.14

1.07

1.03

0.90

CBCT

Mean

8.89

33.48

28.28

25.34

21.95

 

Standard Deviation

0.33

1.57

1.49

1.44

1.41

CBCT vs uCT

Mean Absolute Difference

0.06

0.74

1.03

0.87

0.46

 

Absolute Difference Range

0.00–0.23

0.02–1.79

0.07–2.45

0.30–2.35

0.00–1.90

 

p-value

0.92

0.68

0.76

0.73

0.76

  1. Measurements were obtained and compared between CBCT vs uCT modalities. Significant p-values are defined as < 0.05