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. 2020 Aug 31;10(8):e036882. doi: 10.1136/bmjopen-2020-036882

Table 3.

Sensitivity and specificity of the FPG test for postpartum glucose intolerance

Threshold FPG
(mg/dL)		 Sensitivity
% (95% CI)		 Specificity
% (95% CI)		 LR+
(95% CI)		 LR−
(95% CI)		 Positive
post-test
probability
% (95% CI)		 Negative
post-test
probability
% (95% CI)
≥116 54 (33 to 74) 78 (68 to 86) 2.51 (1.46 to 4.31) 0.58 (0.37 to 0.92) 41 (24 to 59) 86 (77 to 93)
≥105 79 (58 to 93) 56 (45 to 66) 1.79 (1.31 to 2.44) 0.37 (0.17 to 0.83) 33 (21 to 46) 91 (80 to 97)
≥94 88 (68 to 97) 27 (18 to 38) 1.20 (0.99 to 1.47) 0.46 (0.15 to 1.39) 25 (16 to 35) 89 (71 to 98)

FPG, fasting plasma glucose; LR−, negative likelihood ratio; LR+, positive likelihood ratio.