Qualitative and quantitative gastric ultrasound assessment in highly skilled regional anesthesiologists

BMC Anesthesiology

Table 3 Interrater agreement for quantitative gastric ultrasound assessment for different fluid volumes

Actual fluid volume (ml)	Agreement in volume between students
Actual fluid volume (ml)	No. of volunteers	ICC (95% CI)^a
100	9	0.706 (−0.125 to 0.931)
200	10	0.669 (−0.254 to 0.920)
300	10	0.362 (−0.498 to 0.807)

Abbreviations: ICC interclass correlation coefficient, CI confidence interval
^a Two-way random, average measures, absolute agreement

ISSN: 1471-2253