Table III.
Inter- and intraobserver agreement for ultrasound assessment of mean endometriotic cyst diameter.
| Agreement | Site | Bland–Altman analysis | ICC | |
|---|---|---|---|---|
| Mean difference | 95% B-A limits | (95% CI) | ||
| Interobserver | All | −0.3 | −6.4, 5.9 | 0.99 (0.97, 0.99) |
| Left | −2.0 | −6.4, 2.4 | 0.99 (0.97, 1.00) | |
| Right | 0.9 | −5.3, 7.1 | 0.98 (0.96, 0.99) | |
| Intraobserver A | All | −0.3 | −5.0, 4.5 | 0.99 (0.97, 0.99) |
| Left | 0.7 | −3.4, 4.8 | 0.99 (0.98, 1.00) | |
| Right | −1.0 | −5.7, 3.8 | 0.98 (0.95, 0.99) | |
| Intraobserver B | All | −0.7 | −4.7, 3.3 | 0.99 (0.98, 1.00) |
| Left | −1.3 | −6.4, 3.9 | 0.99 (0.97, 1.00) | |
| Right | −0.4 | −3.6, 2.7 | 0.99 (0.99, 1.00) | |
ICC: intra-class correlation. N = 50 women.