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Table 2 The intraclass correlation coefficients of CRL and MSD measurements of women between 6 and 10 weeks of gestation in Mulago Hospital, Kampala, 2016

From: Measurement error of mean sac diameter and crown-rump length among pregnant women at Mulago hospital, Uganda

Paired set of measurements

ICC*

95% CI*

Intra-observer variation (CRL*)

 Observer 1

0.993

(0.988, 0.996)

 Observer 2

0.995

(0.992, 0.997)

Inter-observer variation

 CRL*

0.988

(0.980, 0.993)

 MSD*

0.955

(0.924, 0.973)

  1. *CI confidence interval, *ICC Intraclass correlation coefficient, *CRL Crown-rump length, *MSD Mean sac diameter
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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