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Table 1 Demographic and perioperative features of the patients

From: Application of mediastinal drainage tube in intrathoracic esophageal anastomotic leakage for early diagnosis and effective treatment: a retrospective study

  Control Group Tube Group P value Total
Age 64.51 ± 5.13 64.36 ± 4.83 0.790 64.42 ± 4.96
Gender    0.739  
 Male 118 (85.5%) 152 (87.4%)   270 (86.5%)
 Female 20 (14.5%) 22 (12.6%)   42 (13.5%)
Smoking    0.204  
 No 25 (18.1%) 22 (12.6%)   47 (15.1%)
 Yes 113 (81.9%) 152 (87.4)   256 (84.9%)
Surgical approach    0.812  
 Right 91 (65.9%) 112 (64.4%)   203 (65.1%)
 Left 47 (34.1%) 62 (35.6%)   109 (34.9%)
Anastomic leakage    0.837  
 No 127 (92.0%) 159 (91.4%)   286 (91.7%)
 Yes 11 (8.0%) 15 (8.6%)   26 (8.3%)
Postoperative pain score (NRS*)
 Day 1 3.94 ± 1.27 4.01 ± 1.25 0.629 3.98 ± 1.26
 Day 2 3.30 ± 1.04 3.41 ± 0.90 0.347 3.36 ± 0.97
 Day 3 2.86 ± 0.86 2.98 ± 0.69 0.157 2.93 ± 0.77
 Day 4 2.78 ± 0.96 2.76 ± 0.63 0.799 2.77 ± 0.79
 Day 5 2.16 ± 0.70 2.26 ± 0.64 0.190 2.21 ± 0.66
  1. * NRS: Numerical Rating Scale