Research Article
Predictive Value of First-Trimester Glycosylated Hemoglobin Levels in Gestational Diabetes Mellitus: A Chinese Population Cohort Study
Table 3
ROC curve values of first-trimester Hba1c in the diagnosis of GDM.
| | HbA1c | Sensibility (95% CI) | Specificity (95% CI) | PLR (95% CI) | NLR (95% CI) |
| | >4.4 | 100 (97.5-100.0) | 1.17 (0.5-2.4) | 1.01 (1.0-1.0) | 0 | | >4.5 | 99.31 (96.2-100.0) | 2.67 (1.5-4.3) | 1.02 (1.0-1.0) | 0.26 (0.03-1.9) | | >4.6 | 98.61 (95.1-99.8) | 4.83 (3.3-6.9) | 1.04 (1.0-1.1) | 0.29 (0.07-1.2) | | >4.7 | 95.83 (91.2-98.5) | 8.83 (6.7-11.4) | 1.05 (1.0-1.1) | 0.47 (0.2-1.1) | | >4.8 | 91.67 (85.9-95.6) | 16.67 (13.8-19.9) | 1.1 (1.0-1.2) | 0.5 (0.3-0.9) | | >4.9 | 84.72 (77.8-90.2) | 29 (25.4-32.8) | 1.19 (1.1-1.3) | 0.53 (0.4-0.8) | | >5 | 74.31 (66.4-81.2) | 46.17 (42.1-50.2) | 1.38 (1.2-1.6) | 0.56 (0.4-0.7) | | >5.1 | 56.94 (48.4-65.2) | 62.83 (58.8-66.7) | 1.53 (1.3-1.8) | 0.69 (0.6-0.8) | | >5.12 | 56.94 (48.4-65.2) | 63 (59.0-66.9) | 1.54 (1.3-1.8) | 0.68 (0.6-0.8) | | >5.2 | 42.36 (34.2-50.9) | 78.83 (75.3-82.0) | 2 (1.6-2.6) | 0.73 (0.6-0.8) | | >5.3 | 33.33 (25.7-41.7) | 89.67 (86.9-92.0) | 3.23 (2.3-4.5) | 0.74 (0.7-0.8) | | >5.4 | 18.75 (12.7-26.1) | 94.67 (92.6-96.3) | 3.52 (2.2-5.7) | 0.86 (0.8-0.9) | | >5.5 | 13.19 (8.1-19.8) | 97.67 (96.1-98.7) | 5.65 (2.9-11.0) | 0.89 (0.8-0.9) | | >5.6 | 7.64 (3.9-13.3) | 98.83 (97.6-99.5) | 6.55 (2.6-16.6) | 0.93 (0.9-1.0) | | >5.7 | 4.17 (1.5-8.8) | 99.5 (98.5-99.9) | 8.33 (2.1-32.9) | 0.96 (0.9-1.0) | | >5.8 | 2.78 (0.8-7.0) | 99.67 (98.8-100.0) | 8.33 (1.5-45.1) | 0.98 (0.9-1.0) | | >5.9 | 2.78 (0.8-7.0) | 99.83 (99.1-100.0) | 16.67 (1.9-148.0) | 0.97 (0.9-1.0) | | >6 | 1.39 (0.2-4.9) | 99.83 (99.1-100.0) | 8.33 (0.8-91.3) | 0.99 (1.0-1.0) | | >6.1 | 0 (0.0-2.5) | 100 (99.4-100.0) | | 1 (1.0-1.0) |
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Note: NLR: likelihood ratio; PLR: positive likelihood ratio.
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