Table 1 Prospective validation in pigs
CT Variable | Spiral, 180 mAs | Sequential, 20 mm feed, 180 mAs | Sequential, 20 mm feed, 50 mAs | ||||
|---|---|---|---|---|---|---|---|
Analysis results | Analysis results | ρ | Bias (LOA) | Analysis results | ρ | Bias (LOA) | |
Total lung volume (ml) | 1184 (1143–1244) | 1168 (1140–1270) | 0.867 | 2 (−64–69) | 1185 (1156–1286) | 0.839 | 10 (−62 to 82) |
Total lung weight (g) | 665 (598–681) | 650 (581–672) | 0.902 | −10 (−59–39) | 658 (593–683) | 0.727 | −2 (−65 to 61) |
Hyper-aerated tissue (%) | 0.2 (0.1–0.4) | 0.3 (0.1–0.5) | 0.993 | 0.1 (−0.3–0.5) | 0.3 (0.2–0.5) | 0.993 | 0.2 (−0.4 to 0.7) |
Normally aerated tissue (%) | 26.8 (23.6–38.8) | 27.4 (24.9–37.8) | 0.986 | 0.4 (−2.7–3.5) | 26.8 (23.3–36.9) | 0.993 | −0.1 (−3.0 to 2.7) |
Poorly aerated tissue (%) | 41.7 (32.9–45.6) | 39.0 (30.2–45.1) | 0.972 | −1.9 (−4.9–1.1) | 39.6 (30.5–45.3) | 0.965 | −1.8 (−5.6 to 2.1) |
Non-aerated tissue (%) | 29.3 (18.2–34.3) | 30.0 (18.0–34.7) | 0.972 | 1.4 (−3.3–6.1) | 30.3 (18.6–35.8) | 0.874 | 1.7 (−3.1 to 6.5) |