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Table 4 Agreement between WB-DWIBS/STIR and the reference standard for different sites

From: Assessment of naive indolent lymphoma using whole-body diffusion-weighted imaging and T2-weighted MRI: results of a prospective study in 30 patients

Parameter Kappa values
WB-DWIBS/STIR (R1) WB-DWIBS/STIR (R2)
Nodal 0.96 0.93
 Cervical 0.93 0.93
 Axillary 1.00 0.93
 Mediastinal 1.00 1.00
 Hilar 0.78 0.78
 Paraaortic 0.93 0.93
 Mesenteric 1.00 1.00
 Pelvic 1.00 1.00
 Inguinal 0.93 0.93
 Others 0.89 0.85
Extranodal 0.71 0.74
 Orbit 1.00 0.92
 Salivary gland 1.00 1.00
 Tonsil 1.00 1.00
 Lung 1.00 1.00
 Spleen 0.84 0.84
 Stomach 0.65 0.65
 Skin, subcutaneous layer and/or muscles 1.00 1.00
  1. R1 observer 1, R2 observer 2, WB-DWIBS/STIR whole-body diffusion-weighted imaging with background body signal suppression and T2-weighted short-tau inversion recovery magnetic resonance imaging