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Table 2 Mean dose (cGy) by aspiration status for each laryngeal substructure

From: Dose-volume relationship for laryngeal substructures and aspiration in patients with locally advanced head-and-neck cancer

Sample size All Patients Aspirators Non-aspirators AUC Univariate p-value Multivariate p-value
29 10 19
Mean (sd) Mean (sd) Mean (sd)
Structure
 AE Folds 6606 (679) 7025 (398) 6386 (700) 0.753 0.025 0.025
 Arytenoids 5832 (1070) 6419 (568) 5523 (1152) 0.737 0.045 NS
 Glossoepiglottic fold 7304 (459) 7507 (289) 7197 (500) 0.668 0.096 NS
 Cricoid cartilage 5722 (975) 6207 (616) 5466 (1044) 0.695 0.063 NS
 Thyroid cartilage 6406 (739) 6841 (532) 6178 (741) 0.747 0.029 NS
 Epiglottis 6947 (611) 7300 (406) 6761 (626) 0.747 0.032 NS
 Suprahyoid epiglottis 7178 (482) 7422 (360) 7050 (497) 0.726 0.058 NS
 Infrahyoid epiglottis 6487 (840) 6867 (573) 6287 (901) 0.711 0.085 NS
 Total larynx 6217 (823) 6675 (504) 5977 (866) 0.747 0.038 NS
 Supraglottic larynx 6573 (754) 6996 (446) 6350 (795) 0.732 0.037 NS
 Subglottic larynx 5571 (1062) 6018 (638) 5336 (1175) 0.679 0.110 NS
 Glottic larynx 5834 (1074) 6358 (634) 5559 (1167) 0.711 0.067 NS
  1. sd Standard deviation, AUC Area under the receiver operating characteristic curve, NS Not significant