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Table 1 Baseline clinicodemographic characteristics of the modeling cohort

From: Novel screening model of obstructive sleep apnea for snorers with suspected NAFLD undergoing liver sonography

  All Non-OSA group OSA group p value
Patients (n) 59 13 46  
Sex, Males/female 48 (81.4)/11 (18.6) 8 (61.5)/5 (38.5) 40 (87.0)/6 (13.0) 0.04
Age (years) 44.3 ± 8.59 42.1 ± 6.78 44.9 ± 9.01 0.30
BMI (kg/m2) 26.4 ± 3.0 24.4 ± 3.0 27.0 ± 2.7  < 0.01
Waist circumference (cm) 86.3 ± 8.8 82.1 ± 6.6 87.4 ± 9.0 0.05
Diabetes 4 (6.8) 0 (0.0) 4 (8.7) 0.27
Hypertension 14 (23.7) 2 (15.4) 12 (26.1) 0.42
AHI (events/h) 16.7 (5.9–42.2) 1.7 (0.6–3.0) 23.9 (11.3–49.0)  < 0.01
Mean SpO2 (%) 96.1 (94.0–96.5) 96.5 (96.2–97.0) 95.8 (93.9–96.4)  < 0.01
Minimal SpO2 (%) 87.0 (80.0–92.0) 93.0 (92.0–94.0) 85.0 (75.0–90.0)  < 0.01
ODI (events/h) 12.3 (2.0–29.5) 0.6 (0.0–1.4) 20.1 (8.4–43.3)  < 0.01
T90 (%) 0.1 (0.0–1.9) 0.0 (0.0–0.0) 0.3 (0.0–2.9)  < 0.01
ALT (IU/L) 32.0 (21.0–44.0) 23.0 (18.0–32.0) 34.0 (22.0–48.0) 0.09
AST (IU/L) 26.0 (20.0–32.0) 24.0 (21.0–27.0) 27.0 (20.0–34.0) 0.17
CAP (dB/m) 269.4 ± 46.4 264.5 ± 47.8 270.8 ± 46.4 0.67
 Median 262.0 (236.0–310.0) 243.0 (240.0–304.0) 262.5 (235.0–310.0) 0.71
  ≥ 238 44 (74.6%) 10 (76.9%) 34 (73.9%) 0.83
HSI 37.4 ± 6.1 34.2 ± 4.5 38.3 ± 6.2 0.03
 Median 37.5 (33.1–41.0) 33.1 (32.1–37.1) 38.2 (34.3–41.3) 0.02
  > 36 37 (62.7%) 6 (46.2%) 31 (67.4%) 0.16
LSM (kPa) 5.3 (4.5–6.2) 4.9 (4.1–5.7) 5.6 (4.6–6.7) 0.10
  1. AHI apnea–hypopnea index, ALT alanine aminotransferase, AST aspartate aminotransferase, BMI body mass index, CAP controlled attenuation parameter, HSI hepatic steatosis index, LSM liver stiffness measurement, ODI oxygen desaturation index, OSA obstructive sleep apnea, SpO2 oxygen saturation measured by pulse oximetry, T90 the percentage of total recording sleep time with oxygen saturation < 90%
  2. Data are summarized as mean ± standard deviation, median (interquartile range), or n (%). Data were compared between non-OSA and OSA groups using the Mann–Whitney U test or chi-square test. Significant p values are marked in bold