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Table 2 Different Fasting plasma glucose at the first trimester as a predictor for gestational diabetes mellitus

From: Association between the cut-off value of the first trimester fasting plasma glucose level and gestational diabetes mellitus: a retrospective study from southern China

Cut off value Accuracy Sensitivity Specificity PPV NPV
4.6 0.534 0.624 0.516 0.205 0.873
4.7 0.616 0.527 0.633 0.223 0.870
4.8 0.682 0.431 0.733 0.244 0.866
4.9 0.736 0.344 0.814 0.270 0.861
5.0 0.778 0.261 0.881 0.305 0.856
5.1 0.803 0.194 0.924 0.339 0.852
5.2 0.818 0.141 0.954 0.378 0.847
5.3 0.826 0.100 0.972 0.413 0.844
5.4 0.830 0.068 0.982 0.434 0.841
5.5 0.833 0.048 0.989 0.475 0.839
5.6 0.833 0.032 0.993 0.482 0.837
5.7 0.834 0.024 0.996 0.531 0.836
5.8 0.834 0.016 0.997 0.529 0.835
5.9 0.834 0.011 0.998 0.515 0.835
6.0 0.834 0.008 0.999 0.507 0.834
6.1 0.834 0.007 0.999 0.525 0.834
6.2 0.833 0.005 0.999 0.500 0.834
6.3 0.833 0.004 0.999 0.487 0.834
6.4 0.833 0.002 0.999 0.393 0.834
6.5 0.833 0.002 0.999 0.350 0.834
6.6 0.833 0.002 1.000 0.389 0.834
6.7 0.833 0.000 1.000 0.200 0.833
6.8 0.833 0.000 1.000 0.250 0.834
6.9 0.833 0.000 1.000 0.200 0.833
  1. PPV positive predictive value, negative predictive value