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Table 5 Preoperative evaluation score index in 200 patients with LC

From: Validation of preoperative predictor score for difficult laparascopic cholecystectomy and a modified intraoperative grading score of the difficulty of laparascopic cholecystectomy: from a resource limited setting

Preoperative Evaluation

LC Operation

Total

Difficult

Not difficult

Difficult

64

4

68

Not difficult

3

129

132

Total

67

133

200

  1. Statistical measures of the performance of Our preoperative Score
  2. Sensitivity : 0.955
  3. Specificity :0.969
  4. Positive predictive value(PPV) : 0.941
  5. Negative predictive value(NPV) :0.977
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BMC Surgery

ISSN: 1471-2482

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