Table 2. Subgroup Analysis of Lumen Area Measured by SATM and LATM according to Lumen Area Based on the Reference Standard.
| Lumen Area on IVUS | IVUS | SATM | LATM | P | ICC |
|---|---|---|---|---|---|
| 3–7 mm2 (n = 202) | |||||
| Lumen area (mm2) | 5.38 (5.21–5.55) | 3.85 (3.54–4.15) | 4.92 (4.75–5.09) | < 0.001 | |
| Pairwise comparisons* | < 0.001 | 0.334 (0.027–0.550) | |||
| IVUS vs. LATM | < 0.001 | 0.348 (0.211–0.469) | |||
| < 0.001 | 0.633 (0.192–0.812) | ||||
| ≥ 7 mm2 (n = 112) | |||||
| Lumen area (mm2) | 8.43 (8.17–8.69) | 7.09 (6.67–7.50) | 7.01 (6.69–7.34) | < 0.001 | |
| Pairwise comparisons* | IVUS vs. SATM | < 0.001 | 0.555 (0.068–0.775) | ||
| IVUS vs. LATM | < 0.001 | 0.544 (-0.071–0.805) | |||
| SATM vs. LATM | 0.999 | 0.920 (0.886–0.944) | |||
| Total (n = 314) | |||||
| Lumen area (mm2) | 6.47 (6.25–6.68) | 5.00 (4.70–5.30) | 5.67 (5.47–5.86) | < 0.001 | |
| Pairwise comparisons* | IVUS vs. SATM | < 0.001 | 0.614 (0.173–0.798) | ||
| IVUS vs. LATM | < 0.001 | 0.668 (0.432–0.791) | |||
| SATM vs. LATM | < 0.001 | 0.815 (0.669–0.885) |
Data are means. Data in parentheses are 95% confidence interval. *Bonferroni corrected.