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Table 1 Comparing the patients with and without obstructive sleep apnea (OSA) a, b

From: Cardiac function and cognitive function in patients with obstructive sleep apnea

Variable OSA (N = 67) Control (N = 52) P
Age, years 54.29 ± 10.60 43.87 ± 11.78 < 0.001
BMI, kg/m2 31.57 ± 5.44 26.01 ± 2.81 < 0.001
Gender, male/female 36/31 28/24 0.990
MMSE score 25.98 ± 2.92 27.57 ± 2.32 0.002
Cognitive disorder 17 (25.4) 3 (5.8) 0.004
LVEF, % 53.13 ± 2.59 53.86 ± 2.36 0.115
Diastolic dysfunction 20 (29.9) 6 (11.5) 0.016
RA diameter, mm 13.84 ± 3.53 13.68 ± 2.94 0.789
RV mid diameter, cm 3.12 ± 0.36 3.10 ± 0.37 0.750
TRG, mmHg 23.55 ± 5.71 20.17 ± 4.41 0.001
RVSM, cm/sec 12.22 ± 2.21 13.17 ± 2.11 0.019
TAPSE, mm 19.81 ± 4.42 22.72 ± 3.89 < 0.001
FAC, % 40.48 ± 9.57 45.06 ± 9.01 0.009
PFO 8 (11.9) 11 (21.2) 0.174
Enlarged IVC 8 (11.9) 0 (0.0) 0.008
RVOT proximal diameter, cm 2.86 ± 0.45 2.86 ± 0.45 0.981
RVOT distal diameter, cm 2.17 ± 0.43 2.01 ± 0.81 0.228
PA size, mm 2.26 ± 0.87 2.01 ± 0.33 0.032
Transmitral E velocity, m/sec 0.70 ± 0.17 0.75 ± 0.19 0.169
Transmitral A velocity, m/sec 0.75 ± 0.21 0.62 ± 0.16 < 0.001
Transmitral E/A ratio 0.98 ± 0.28 1.25 ± 0.38 < 0.001
Septal annular E’ velocity, cm/sec 8.09 ± 1.10 9.29 ± 2.84 0.011
Lateral annular E’ velocity, cm/sec 10.15 ± 2.13 11.36 ± 3.12 0.018
  1. a Data are presented as mean ± standard deviation or frequency (frequency percent)
  2. b Abbreviations: BMI Body mass index; km Kilograms; m Meter; MMSE Mini-mental state examination; LVEF Left ventricular ejection fraction; RA Right atrium; RV Right ventricle; TRG Tricuspid regurgitant gradient; RVSM Right ventricular peak systolic velocity; TAPSE Tricuspid annular plane systolic excursion; FAC Fractional area change; PFO Patent foramen ovale; IVC Inferior vena cava; RVOT Right ventricular outflow tract; PA Pulmonary artery; E Transmitral early diastolic velocity; E’ Mitral annular early diastolic velocity