Table 12 Relative contribution of SPECT and CT in MPI protocol.

From: Diagnostic reference level, achievable dose, and effective dose estimation in adult hybrid SPECT myocardial perfusion imaging in Institut Jantung Negara

Protocol

Relative contribution (%)

SPECT

CT

One-day/CTAC

79.5%

20.5%

One-day/CAC

73.8%

26.2%

Two-day/CTAC

74.9%

25.1%

Two-day/CAC

85.0%

15.0%

Average contribution

78.3%

21.7%

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