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Figure 2 | EJNMMI Research

Figure 2

From: Evaluation of limited blood sampling population input approaches for kinetic quantification of [18F]fluorothymidine PET data

Figure 2

The comparison of subject 1 input function obtained using full arterial sampling and average POP-IFs. Comparison of subject 1 input function obtained using full arterial sampling (black curve) and average POP-IF (red curve) obtained using a) seven discrete samples up to 65 min (POP-IF7), b) five discrete samples (POP-IF5) and c) three discrete samples (POP-IF3). As expected, the population-based input functions failed to reproduce the true initial peak height. However, the curves superimposed well after 2 min post injection, where the POP-IF are based on the individual blood measures.

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