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Table 2 Intraoperative and postoperative data in patients with and without delirium

From: Postoperative delirium after pharyngolaryngectomy with esophagectomy: a role for ramelteon and suvorexant

Variable All patients Delirium (+) Delirium (−) p value
Total 65 9 56  
Tumor location, n (%) 0.873
 Oropharynx 3 (4.6%) 0 (0%) 3 (5.4%)  
 Hypopharynx 56 (86.2%) 8 (88.9%) 48 (85.7%)  
 Larynx 4 (6.2%) 1 (11.1%) 3 (5.4%)  
 Major salivary gland 1 (1.5%) 0 (0%) 1 (1.8%)  
 Thyroid 1 (1.5%) 0 (0%) 1 (1.8%)  
 Operation time (min) 573.0 (522.5, 652.5) 553.0 (407.0, 696.0) 576.0 (526.0, 652.8) 0.642
 Blood loss (mL) 410.0 (289.0, 564.5) 442.0 (310.0, 776.5) 410.0 (283.5, 535.8) 0.447
 Urinary output (mL) 740.0 (482.5, 1115.0) 760.0 (447.5, 1160.0) 730.0 (492.5, 1117.5) 0.894
 Blood transfusions (mL) 0 (0, 0) 0 (0, 655.0) 0 (0, 0) 0.334
 Volume of infusion (mL) 4200.0 (3525.0, 5425.0) 3500.0 (2960.0, 6200.0) 4245.0 (3650.0, 5400.0) 0.352
 Maximum body temperature after surgery (°C) 38.1 (37.8, 38.6) 38.1 (37.7, 38.9) 38.1 (37.8, 38.5) 0.805
Sleeping medication, n (%) 0.002
 Minor tranquilizer 24 (36.9%) 8 (88.9%) 16 (28.6%)  
 Ramelteon only 25 (38.5%) 1 (11.1%) 24 (42.9%)  
 Ramelteon and suvorexant 16 (24.6%) 0 (0%) 16 (28.6%)  
  1. Data are shown as median (interquartile range) or number (percent)