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Figure 2 Circle graph showing the number of positive and negative studies using either FI (upper row) or SHI (bottom row) for patients with a positive TEE study (left column) or negative TEE study (right column). In patients with a positive TEE study (n = 51) the number of simultaneously positive studies using SHI (n = 46) was significantly higher as compared to the number of simultaneously positive studies using FI (n = 31; p < 0.01). In patients with a negative TEE study (n = 60) there were six patients who demonstrated a positive study using SHI and one patient with a positive study using FI. This difference did not reach statistical significance. Abbreviations are the same as in Figure 1.
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