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Table 8 Performance of decision support models based on univariate and multivariate analysis (10-fold cross validation)

From: A hybrid decision support model to discover informative knowledge in diagnosing acute appendicitis

Performance

ACC

SENS

SPEC

PPV

NPV

AUC

Based on univariate

analysis*

80.2

82.4

78.3

76.8

83.5

80.3

Based on multivariate

analysis**

71.6

69.3

73.7

69.7

73.3

71.5

Based on multivariate

analysis †

73.5

66.0

80.0

74.3

72.9

73.0

  1. * p < 0.01; standard error: 2.54 (95% CI, 75.6-84.5)
  2. ** entry and removal criteria of 0.01 and 0.05; standard error: 2.89 (95% CI, 66.3-76.3)
  3. † entry and removal criteria of 0.05 and 0.10; standard error: 2.86 (95% CI, 67.9-77.7)