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Table 3 Results for chest tube tip cultures and postoperative infections after chest tube removal

From: Diagnostic value of routine chest tube tip culture in surgery for noninfectious lung disease

Chest tube tip cultures Postoperative infection
(n = 18)
No postoperative infection (n = 166) Postoperative infections
SSI
(n = 4)
Pneumonia
(n = 14)
Empyema
(n = 0)
Positive 6 27 3 3 0
Negative 12 139 1 11 0
  1. The table results in the following estimates of accuracy for prediction of postoperative infections occurring after chest tube removal using a chest tube tip culture: sensitivity 33%, specificity 84%, positive predictive value 18% and negative predictive value 92%
  2. SSI, Surgical site infection