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Table 3 Surgical factors associated with arytenoid dislocation

From: Head-neck movement may predispose to the development of arytenoid dislocation in the intubated patient: a 5-year retrospective single-center study

Variable Non-dislocation (n = 25,505) Dislocation (n = 33) P-value
Duration of surgery, min 145.0 (105.0–210.0) 150.0 (105.0–255.0) 0.153
Pneumoperitoneum 8171 (32.0%) 6 (18.2%) 0.129
Patient position during surgery      0.000
 Supine without neck movement 18,423 (72.2%) 15 (45.4%)  
 Prone without neck movement 359 (1.4%) 0 (0%)  
 Lateral without neck movement 1598 (6.3%) 1 (3.0%)  
 Supine with neck extension 4621 (18.1%) 9 (27.3%)  
 Supine with neck flexion 124 (0.5%) 0 (0%)  
 Supine with neck rotation 280 (1.1%) 2 (6.0%)  
 Lateral with neck flexion and rotation 100 (0.4%) 6 (18.1%)  
  1. Data are presented as median (interquartile range) or number (%)