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Table 2 Intra-observer agreement of thyroid gland diameters and thyroid volume (Tvol) measured by portable ultrasound in children aged 6-14 years (n = 12).

From: Data quality and practical challenges of thyroid volume assessment by ultrasound under field conditions - observer errors may affect prevalence estimates of goitre

  Right lobe Left lobe Tvol
  ML AP CC ML AP CC  
Examiner 1        
ICC* 0.67 0.88 0.89 0.85 0.78 0.74 0.97
(95% CI) (0.20, 0.89) (0.65, 0.96) (0.67, 0.97) (0.59, 0.96) (0.42, 0.93) (0.33, 0.92) (0.91, 0.99)
Examiner 2        
ICC* 0.67 0.55 0.28 0.54 0.63 0.72 0.86
(95% CI) (0.21, 0.89) (0.02, 0.85) (-0.30, 0.72) (0.02, 0.84) (0.15, 0.88) (0.30, 0.91) (0.60, 0.96)
  1. *ICC intraclass correlation coefficient, one-way random model (measure of agreement)