. 2013 Aug 12;8(8):e71000. doi: 10.1371/journal.pone.0071000

Table 2. Univariate Pearson correlations.

	BMI	Waist circumference	Mean nocturnal SpO₂
Systolic blood pressure	0.35^a	0.39^a
Diastolic blood pressure
Plasma glucose/insulin homeostasis
Fasting plasma glucose	0.36^a	0.37^a	−0.54^a
Ln Fasting plasma insulin	0.39^a	0.45^a	−0.41^a
120 min OGTT-glucose	0.32^a	0.37^a
AUC glucose		0.45^a
Ln AUC insulin		0.37^a	−0.49^a
Ln Insulin secretion index			−0.47^a
Ln HOMA-IR	0.42^a	0.47^a	−0.46^a
ISI Matsuda	−0.36^a	−0.43^a	0.46^a
Plasma lipid profile
Total-cholesterol
Ln HDL-cholesterol
LDL-cholesterol
LDL-chol size
Ln Triglycerides
Plasma inflammatory and redox profiles
Ln Hs-CRP	0.39^a	0.46^a
Homocysteine
TAS
GPx

Abbreviations: OGTT: oral glucose tolerance test, AUC: area under the curve, ISI: insulin sensitivity index, HOMA-IR: HOMA-resistance index, Hs-CRP: high sensitive CRP, TAS: total antioxidant status, GPx: plasma glutathione peroxidase. p<0.05 are reported by a in exponent.