Short- and long-term reproducibility of peripheral superficial vein depth and diameter measurements using ultrasound imaging

Table 2 Vein depth measurements and their reproducibility

	Mean ± SD (mm)	ICC	95% CI	Intra-individual CV (%)
Shor term (day 1)	2.43 ± 0.90	0.96	0.93–0.98	6.56
Short term (day 2)	2.59 ± 1.05	0.94	0.89–0.97	6.27
Long term (days 1–2)	2.51 ± 0.98	0.88	0.75–0.95	6.34

SD standard deviation; ICC intraclass correlation coefficient; CI confidence interval; CV coefficient of variation

ISSN: 1471-2342