Correlation Between Size of Rods Without 18F-FDG Activity and Percentage Discerned by VOI Technique
Rods discerned/total rods | ||
Rod dimension (mm) | First session (background, 37 kBq [1 μCi]/mL) | Second session (background, 111 kBq [3 μCi]/mL) |
4.8 | 0/57 (0) | 3/57 (5.3) |
6.4 | 7/32 (21.8) | 7/32 (21.8) |
7.9 | 16/21 (76.8) | 14/21 (66.6) |
9.5 | 15/15 (100.0) | 15/15 (100.0) |
11.1 | 10/10 (100.0) | 10/10 (100.0) |
12.7 | 8/8 (100.0) | 8/8 (100.0) |
Spearman unilateral correlation r = 0.984 (P < 0.01). Data in parentheses are percentages.