Table 7. Screening and diagnostic criteria for cystic fibrosis-related diabetes and interpretation of blood serum glucose results by means of the oral glucose tolerance test.

OGTT, mg/dl	Interpretation	Fasting BSG	BSG-2 h	BSG-1 h
• Healthy patients > 10 years of age • Prior to transplantation • Pregnancy scheduling • During pregnancy	Glucose tolerance Glucose intolerance CFRD Indeterminate	< 126 < 126 ≥ 126 < 126	< 140 140-199 ≥ 200 < 140	≥ 200
Monitorização de glicemia de jejum e GPP de 2 h
• During hospitalization • Outpatient setting 1. Pulmonary exacerbation, treated with i.v. antibiotic therapy or systemic glucocorticosteroids 2. Monthly, during and after nocturnal enteral feeding Glycated hemoglobin Random blood glucose testing	DRFC DRFC DRFC	GP de jejum ≥ 126 mg/dl GPP ≥ 200 mg/dl (persistente por 48 h)	≥ 200 mg/dl durante ou após a dieta	≥ 6,5% (< 6,5% não exclui) Glicemia ao acaso ≥ 200 mg/dl + poliúria e polidipsia

OGTT: oral glucose tolerance test; BSG: blood serum glucose; BSG-2h: blood serum glucose 2 h after glucose intake during OGTT, GP-1h: blood serum glucose 2 h after glucose intake during OGTT; CFRD: cystic fibrosis-related diabetes; and PBG: postprandial blood glucose.

Adapted from Sermet-Gaudelus et al.⁽²¹³⁾