Table 3 The AUC, sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of the 6M50LSG scoring system in the score generator, internal validation, and external validation groups.

From: Check point to get adequate weight loss within 6-months after laparoscopic sleeve gastrectomy for morbid obesity in Asian population

 

Score > 1

Score generator

Internal validation

External validation

Sensitivity

86.30%

(76.25–93.23%

92%

(73.97–99.02%)

90.53%

(86.77–93.15%)

Specificity

91.84%

(80.40–97.73%)

92.31%

(63.97–99.81%)

68.57%

(59.51–76.01%)

PPV

94.03%

(85.98–97.59%)

95.83%

(77.71–99.35%)

88.59%

(85.78–90.90%)

NPV

81.82%

(71.55–88.95%)

85.71%

(61.14–95.81%)

72.00%

(64.77–78.25%)

AUC

0.923

0.975

0.802

  1. AUC area under the curve, NPV negative predictive value, PPV positive predictive value.
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