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Table 2 Odds ratios of low pancreas amylase for high serum ketones and low RQ

From: The association of low serum salivary and pancreatic amylases with the increased use of lipids as an energy source in non-obese healthy women

 Normal-high serum pancreas amylase N = 31Low serum pancreas amylase N = 29P values
High serum 3-HBA, n (%)14 (45.2)17 (58.6)
 Odds ratios (95% ICs)
Model 11 (reference)1.72 (0.62–4.79)0.30
Model 21 (reference)2.13 (0.73–6.26)0.17
Model 31 (reference)2.41 (0.79–7.36)0.12
High serum AA, n (%)14 (45.2)18 (62.1)P values
 Odds ratios (95% ICs)
Model 11 (reference)1.99 (0.71–5.57)0.19
Model 21 (reference)2.23 (0.77–6.49)0.14
Model 31 (reference)2.20 (0.73–6.56)0.16
Low RQ, n (%)6 (19.4)14 (48.3)P values
 Odds ratios (95% ICs)
Model 11 (reference)3.89 (1.23–12.3)0.02
Model 21 (reference)3.37 (1.04–11.0)0.04
Model 31 (reference)5.21 (1.41–19.2)0.01
  1. Model 1: unadjusted
  2. Model 2: adjusted for age and BMI as continuous variables
  3. Model 3: model 2 with additional adjustments for HbA1c and eGFR as continuous variables
  4. Low serum pancreatic amylase: < 29 U/L (vs. normal-high serum salivary amylase, ≥ 29 U/L)
  5. High serum 3-Hydroxybutyric acid ≥ 24 μmol/L (vs. normal serum 3-Hydroxybutyric acid, < 24 μmol/L)
  6. High serum acetoacetic acid ≥ 17 μmol/L (vs. normal serum acetoacetic acid, < 17 μmol/L)
  7. Low RQ: < 0.766 U/L (vs. normal-high RQ, ≥ 0.766 U/L)
  8. AA, acetoacetic acid; BMI, body mass index; eGFR, estimated glomerular filtration rate; 3-HBA, 3-Hydroxybutyric acid; RQ, respiratory quotient