TABLE 4

Validation of LV Regional Function Obtained by GSPECT

ReferencePatientsNo. of patientsNo. of segmentsGSPECT evaluationModality of comparisonExact agreement, κ value
YearAuthorRWMSWT
1997Gunning et al. (38)Mixed28252Visual, SQMRI78%, 0.6678%, 0.62
1999Tadamura et al. (27)CAD20180Visual, SQMRI84%, 0.7387%, 0.76
1999Tadamura et al. (39)After CABG16128Visual, SQMRINA76%, 0.62
2001Wahba et al. (40)CAD21273Visual, SQMRI84%, 0.7286%, 0.77
1994Chua et al. (41)CAD40640Visual, SQEcho91%, 0.6890%, 0.62
1997Germano et al. (19)Mixed791,580QuantitativeVisual, SQ GSPECT73%, 0.4375%, 0.41
2000Sharir et al. (58)Mixed1002,000QuantitativeVisual, SQ GSPECT80%, 0.7186%, 0.68
  • κ = Cohen’s κ; SQ = semiquantitative; CABG = coronary artery bypass graft; NA = not available; Echo = echocardiography.