. 2013 Jan 10;12:5. doi: 10.1186/2251-6581-12-5

Table 1.

Patients’ characteristics in the study group

	Diabetic patients (23)	Impaired glucose tolerance (27)	Normal glucose metabolism (17)
Anthropometric characteristics
Age, years	56.95±10.38	49.76±9.04	42.56±7.49
Age, years	56.95±10.38	49.76±9.04	p-0.671
M/F	17/6	23/4	17/0
BMI, kg/m²	42.86±7.29	40.36±9.37	43.11±8.6
BMI, kg/m²	42.86±7.29	40.36±9.37	p-0.785
Waist circumference, cm	133.2±20.84	130.12±15.96	138.14±19.76
Waist circumference, cm	133.2±20.84	130.12±15.96	p-0.421
Sleep study characteristics
Mild to moderate OSA	2/23(9%)	11/27(40%)	2/17 (12%)
Severe OSA	21/23 (91%)	16/27 (60%)	15/17 (88%)
AHI, events/h	58.79±34.25	53.00±35.33	62.33±30.58
AHI, events/h	58.79±34.25	53.00±35.33	p-0.671
Sleep duration, min	194.03±56.81	192.87±55.04	236.41±59.11
Sleep duration, min	194.03±56.81	192.87±55.04	p-0.09
Time with SpO2 <90%,	70.85±25.99	56.03±33.44	49.75±32.4
Time with SpO2 <90%,	70.85±25.99	56.03±33.44	p-0.114
Lipid profiles
High density Chol, mmol/l	1.27±0.31	1.27±0.35	1.29±0.26
High density Chol, mmol/l	1.27±0.31	1.27±0.35	p-0.982
Low density Chol, mmol/l	2.86±0.07	3.03±0.093	3.24±1.03
Low density Chol, mmol/l	2.86±0.07	3.03±0.093	p-0.448
Very low density Chol, mmol/l	0.83±0.09	0.85±0.07	0.83±0.32
Very low density Chol, mmol/l	0.83±0.09	0.85±0.07	p-0.980
Tot Chol, mmol/l	4.97±1.02	5.19±1.17	5.25±1.04
Tot Chol, mmol/l	4.97±1.02	5.19±1.17	p-0.623
Trigl, mmol/l	1.71±0.82	2.03±0.84	2.07±0.82
Trigl, mmol/l	1.71±0.82	2.03±0.84	p-0.385
Insulin resistance
Fasting glucose, mmol/l	6.99 ±1.33	5.96±1.71	4.89 ±0.71
Immunoreactive insulin, mU/l	18.92±16.57	31.06±28.05	22.65±12.45
Immunoreactive insulin, mU/l	*p-0.006**	p-0.229**	p-0.151*
HOMA index	4.86±4.46	7.48±7.66	5.24±3.33
HOMA index	4.86±4.46	7.48±7.66	p-0.177*
HbA1C	6.69±1.11	6.41±1.06	5.63±0.44
HbA1C	*p-0.253**	p-0.003**	p-0.000*
Biomarkers
Resistin, ng/ml	6.12±5.93	3.85±2.81	3.77±3.23
Resistin, ng/ml	*p-0.021**	p-0.954**	p-0.043*
Free fatty acids, mmol/l	0.267±0.146	0.232±0.088	0.180±0.071
Free fatty acids, mmol/l	*p-0.78**	p-0.121**	p-0.037*
Isoprostanes	0.113±0.09	0.07±0.06	0.07±0.05
Isoprostanes	0.113±0.09	0.07±0.06	p-0.134

p- Kruskall –Wallis comparison between three groups; p*- Mann -Whithney comparison diabetics vs IGT; p**- Mann -Whithney comparison IGT vs NGM; p***- Mann -Whithney comparison diabetics vs NGM.