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Table 1 Main characteristics and results of main study

From: Cerebral hemodynamics is altered in patients with sleep apnea/hypopnea syndrome

 

SAHS group

Control group

p

n

76

76

 

Gender

67 M/9 F

66 M/10 F

1

Age (years)

48.3 ± 10,5

48.8 ± 11.2

0.8

BMI (kgs/m2)

31.2 ± 4.6

26.9 ± 3.9

<0.001

ESS

12.7 ± 4.1

4.1 ± 1.8

<0.001

HT

21 (27.6 %)

18 (23.6 %)

0.5

Current smoking

26 (34.2 %)

27 (35.5 %)

0.8

Dyslipidemia

25 (32.8 %)

21 (27.6 %)

0.4

DM

2 (2.6 %)

2 (2.6 %)

1

CD

4 (5.3 %)

2 (2.6 %)

0.6

Peripheral arteriopathy

0

0

1

Baseline MAP (mmHg)

106 ± 14

98 ± 12

0.001

Post-apnea MAP (mmHg)

109 ± 14

101 ± 11

<0.001

∆MAP (mmHg)

+3.7 ± 10

+2.7 ± 7

0.4

MFV (cms/sg)

52 ± 9

60 ± 12

<0.001

BHT (%)

31 ± 12

36 ± 11

0.005

  1. Results are expressed as mean ± standard deviation or number (percentage). Comparison was made by means of Student´s t test for continuous variables and χ2 test for categoric variables
  2. SAHS sleep apnea/hypopnea syndrome, M male, F female, BMI body mass index, ESS Epworth Sleepiness Score, HT arterial hypertension, DM diabetes mellitus, CD coronary disease, MAP mean arterial pressure, ∆MAP difference between post-apnea MAP and baseline MAP, MFV mean flow velocity, BHT breath-holding test