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Table 2 Preoperative laboratory data and operative findings between patients with/without postoperative complications

From: Assessment of postoperative complications using E-PASS and APACHE II in patients undergoing oral and maxillofacial surgery

  Complications (+) (n = 7) Complications (−) (n = 23) p-value
Age 70.2 ± 10.1 63.5 ± 13.5 0.123
Gender 0.896
 Men 5 17
 Women 2 6
Smoking 1 4 0.746
BMI 21.3 ± 3.8 21.6 ± 2.6 0.341
EF (%) 62.8 ± 15.5 69.5 ± 5.5 0.149
VC (L) 2.9 ± 0.9 3.2 ± 0.8 0.193
%VC 97.2 ± 14.6 98.8 ± 26.0 0.206
FEV1.0 (L) 2.0 ± 0.6 2.3 ± 0.7 0.150
FEV1.0% 72.5 ± 6.7 75.9 ± 6.4 0.156
Hg (g/dL) 13.0 ± 2.3 12.9 ± 1.7 0.404
CRP (mg/dL) 0.6 ± 1.0 0.4 ± 0.7 0.414
PNI 46.6 ± 5.8 47.3 ± 6.7 0.500
PreAlb (mg/dL) 22.1 ± 3.2 22.5 ± 4.6 0.435
Tf (mg/dL) 253.7 ± 54.7 226.6 ± 27.7 0.136
RBP (mg/dL) 2.85 ± 0.5 2.90 ± 0.9 0.318
Diagnosis
 Malignant tumor 7 22  
 Benign tumor 0 1  
Operative approach
 Radical neck dissection 6 15  
 Supraomohyoid Neck Dissection 1 5  
 Upper Neck Dissection   1  
Reconstruction method
 PMMC flap 3 6  
 Forearm flap 3 6  
 Latissimus dorsi flap   6  
 DP flap   3  
Operative time (hr) 14.2 ± 4.7 13.5 ± 2.7 0.490
Blood loss (mg) 476.7 ± 336.6 405.7 ± 242.4 0.323
Postoperative complications
 Pneumonia 6   
 MRSA bacteremia 1   
Length of hospital stay (days) 65.0 ± 36.9 78.6 ± 46.2 0.221
  1. BMI body mass index, EF ejection fraction, VC vital capacity, FEV1.0 One second forced expiratory volume, PNI prognostic nutritional index, PreAlb Prealbumin, Tf transferrin, RBP retinol binding protein, PMMC pectoralis major myocutaneous, DP Delto-pectoral, MRSA methicillin-resistance Staphylococcus aureus