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. 2020 Sep 10;8:e9920. doi: 10.7717/peerj.9920

Table 3. Type 2 diabetes mellitus diagnosis-related studies: samples and classification type.

Study Country Sample size Classification type Results
Pei et al. (2019) China 4,205 Binary J48 has the best performance (accuracy = 0.9503, precision = 0.950, recall = 0.950, F-measure = 0.948, and AUC = 0.964)
Wu et al. (2018) USA 768 Binary The proposed model attained a 3.04% higher prediction accuracy than those of other studies
Talaei-Khoei & Wilson (2018) Australia 10,911 Binary The performance of different learners depends on both period and purpose of prediction
Upadhyaya et al. (2017) USA 4,208 Binary The proposed algorithm performed well with a 99.70% sensitivity and a 99.97% specificity
Nilashi et al. (2017) USA 768 Binary The proposed method remarkably improves the accuracy of prediction in relation to prior methods
Maniruzzaman et al. (2017) USA 768 Binary The performance of Gaussian process classification are better than other methods with accuracy = 81.97%, sensitivity = 91.79%, positive predictive value = 84.91%, and negative predictive value = 62.50%
Kagawa et al. (2017) Japan 104,522 Binary The proposed phenotyping algorithms show better performance than baseline algorithms
Alghamdi et al. (2017) USA 32,555 Binary The proposed ensemble approach achieved high accuracy of prediction (AUC = 0.920)
Esteban et al. (2017) Argentina 2,463 Multi-class The stacked generalization strategy and feed-forward neural network performed the best with validation set
Anderson et al. (2015) USA 24,331 Binary The proposed ensemble model accurately predicted progression to T2DM (AUC = 0.76), and was validated out of sample (AUC = 0.78)