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Table 2 Agreement levels between the OSEM1/OSEM2 scenario and other scenarios involving reconstruction inconsistency for EORTC and PERCIST therapeutic evaluations

From: EORTC PET response criteria are more influenced by reconstruction inconsistencies than PERCIST but both benefit from the EARL harmonization program

  Kappa (95%CI)
EORTC PERCIST
OSEMPET1/OSEMPET2 vs OSEMPET1/PSF ± TOFPET2 0.55 (0.39–0.72) 0.77 (0.63–0.90)
OSEMPET1/OSEMPET2 vs PSF ± TOFPET1/OSEMPET2 0.61 (0.45–0.77) 0.75 (0.62–0.88)
OSEMPET1/OSEMPET2 vs OSEMPET1/PSF ± TOF.EQPET2 0.95 (0.89–1.00) 0.95 (0.89–1.00)
OSEMPET1/OSEMPET2 vs PSF ± TOF.EQPET1/OSEMPET2 0.93 (0.86–1.00) 1.00 (1.00–1.00)
OSEMPET1/OSEMPET2 vs PSF ± TOFPET1/PSF ± TOFPET2 0.86 (0.75–0.97) 0.93 (0.85–1.00)
OSEMPET1/OSEMPET2 vs PSF ± TOF.EQPET1/PSF ± TOF.EQPET2 0.93 (0.85–1.00) 0.93 (0.85–1.00)