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Table 2 Comparison of patient characteristics by head and neck radiation status

From: A data review of airway management in patients with oral cavity or oropharyngeal cancer: a single-institution experience

Characteristic Control N (%) HNRT N (%) P value
Sex    1.0
 Female 30 (12.7) 30 (12.7)  
 Male 206 (87.3) 206 (87.3)
Body mass index (kg/m2)    1.0
  ≤ 18.5 8 (3.4) 9 (3.8)  
 18.6–25.0 113 (47.9) 115 (48.7)
 25.1—30.0 79 (33.5) 78 (33.1)
 30.1—35.0 26 (11.0) 25 (10.6)
 35.1—40.0 8 (3.4) 8 (3.4)
  ≥ 40.1 2 (0.8) 1 (0.4)
Mallampati score    0.048
 1 42 (18.3) 21 (9.3)  
 2 96 (41.7) 109 (48.2)
 3 63 (27.4) 67 (29.6)
 4 29 (12.6) 29 (12.8)
Mallampati score (1/2 vs. 3/4)    0.59
 1/2 138 (60.0) 130 (57.5)  
 3/4 92 (40.0) 96 (42.5)
Mouth opening    0.11
 Full 191 (81.3) 176 (75.2)  
 Limited 44 (18.7) 58 (24.8)
Edentulous    0.59
 Yes 53 (22.5) 48 (20.4)  
 No 183 (77.5) 187 (79.6)
Neck movement    0.001
 Full range 210 (89.0) 181 (77.7)  
 Restricted 26 (11.0) 52 (22.3)
Cancer stage    < 0.0001
 T1 28 (13.1) 56 (24.6)  
 T2 76 (35.7) 79 (34.6)
 T3 34 (16.0) 58 (25.4)
 T4 75 (35.2) 35 (15.4)
Intubation status    0.73
 Difficult 31 (13.2) 27 (12.2)  
 Easy 203 (86.8) 195 (87.8)
Laryngeal view    0.26
 1 80 (58.8) 70 (49.6)  
 2 41 (30.1) 58 (41.1)
 3 10 (7.4) 10 (7.1)
 4 5 (3.7) 3 (2.1)
Laryngeal view (1/2 vs. 3/4)    0.62
 1/2 121 (89.0) 128 (90.8)  
 3/4 15 (11.0) 13 (9.2)
  1. Abbreviation: HNRT head and neck radiation therapy
  2. Column percentages are provided