Redness roof of the nasopharynx
Redness of the nasopharynx is defined as erythematous mucosa over the nasopharynx. It has been graded as Grade 0: no redness of the nasopharynx. Grade 1 (roof only): redness involving the only roof of the nasopharynx, (roof is defined as the level above the upper 1/3rdedge of torus tubarius). Grade 2 (diffuse): redness extending beyond the roof of the nasopharynx (Figure 2).