Lesion distribution features
The Derkay score was 10±5.9 in patients with JO-RRP and 6.5±4.3 in patients with AO-RRP, and patients with JO-RRP had higher Derkay scores than patients with AO-RRP, and the difference between the two was statistically significant (p=0.001).
In the JO-RRP group, anatomical site involvement was the most common glottis, with 58 cases (98.3%) involving the glottis, followed by supraglottic and subglottic cases with 54 cases (91.5%) and 35 cases (59.3%), respectively. These patients underwent RRP resection and were transferred to Shanghai Pulmonary or Chest Hospital for further diagnosis and treatment.In AO-RRP patients, anatomical site involvement was also the most common glottis, 102 (93.6%) involved glottis, followed by supraglottic and subglottic 50 (45.9%) and 22 (20.2%), respectively, tracheal involvement in 1 case (0.1%), and no cases involving the lungs.