Prevalence and severity of syndrome Z in women with metabolic syndrome on waiting list for bariatric surgery: a cross-sectional study

Table 2 Clinical and metabolic variables of the apneic and non-apneic patients

Variables	All patients	NO-OSA	Mild OSA	Moderate OSA	Severe OSA	P
Variables	(n = 83)	(n = 20)	(n = 23)	(n = 17)	(n = 23)	P
SBP (mmHg)	137.6 ± 11.6	126.2 ± 7.4	136 ± 11.6^a	139.1 ± 8.3^a	148.1 ± 5.4^{a, b, c}	***
DBP (mmHg)	86.0 ± 5.3	84.5 ± 7	85 ± 3.9	85.9 ± 5.3	88.5 ± 4
Glycose (mg/dl)	124.3 ± 34.3	99.8 ± 14.5	117.6 ± 22.6	139.7 ± 41.6^a	142.3 ± 36.5^a	***
TC (mg/l)	237.2 ± 30.2	183.7 ± 118.1	198.3 ± 36.8	186.2 ± 30.5	181.5 ± 38.3
Tg (mg/dl)	187.6 ± 64.9	221.9 ± 41.9	244 ± 25.7	234.7 ± 25.5	245.6 ± 20.1
HDL (mg/dl)	40.1 ± 6.0	42.3 ± 7.5	41.2 ± 7.2	39 ± 6.6	38 ± 4.1
LDL (mg/dl)	132.5 ± 33.1	140.6 ± 30.6	128 ± 30.3	124.8 ± 31.6	135.5 ± 38.8
VLDL (mg/dl)	312.5 ± 17	39.2 ± 22.4	26.6 ± 12	28.9 ± 12.8	31.1 ± 17.4

OSA obstructive sleep apnea, SBP systolic blood pressure, DBP diastolic blood pressure, TC total cholesterol, Tg triglycerides; HDL high density lipoprotein, LDL low density lipoprotein, VLDL very low density lipoprotein, SD standard deviation
*** P < 0.001; data are expressed as mean (± SD)
^ano-OSA vs mild OSA, moderate OSA or severe OSA
^bmild OSA vs severe OSA
^cModerate OSA vs severe OSA

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