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Table 5:

Agreement and differences of delineation between EPI- and HASTE-DWI determined pretreatmenta

Agreement in %Weighted κ (95% CI)Differences of MeansWilcoxon Signed Rank (P Value)
HASTE-DWI observer 1 versus EPI-DWI observer 178%0.12 (−0.01–0.28)0.65<.0005
HASTE-DWI observer 2 versus EPI-DWI observer 281%0.07 (−0.04–0.18)0.57<.0005
  • a The delineation of primary tumors and lymph nodes is determined by using a 3-point scale: score 1 = poor delineation, score 2 = moderate delineation, and score 3 = good delineation.