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Table 1 The interobserver agreement of the UCUIQ grading for evaluating the TUCK

From: True umbilical cord knot detection via active scanning: a prospective study on accuracy and visualization factors

Number

Experienced physician

Total

Scale 1

Scale 2

Scale 3

Novice physician

Scale 1

183

0

0

183

Scale 2

4

72

0

76

Scale 3

1

0

118

119

Total

188

72

118

378

  1. The interobserver agreement was excellent (К = 0.979, p < 0.001). TUCK, true umbilical cord knot; UCUIQ, umbilical cord ultrasonic image quality; Experienced physician, > 8 years of fetal US examination experience; Novice physician: < 3 years of fetal US examination experience; Scale 1, Sufficient image quality; Scale 2, Restricted image quality; Scale 2, Poor image quality
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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