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Table 2 Univariate linear regression analysis of the associations between clinical indices and serum periostin levela

From: Role of serum periostin in severe obstructive sleep apnea with albuminuria: an observational study

Index

Estimate for serum periostina (95% CI)

p − value

Age, years

3.9 × 10−3 (1.3 × × 10−3–6.6 × 10− 3)

< 0.01

BMI, kg/m2

−6.9 × 10− 3 (−14 × 10− 3–0.2 × 10− 3)

0.055

AHI, event/h

0.2 × 10− 3 (− 1.3 × 10− 3–1.6 × 10− 3)

0.82

CT90, %

−0.2 × 10− 3 (− 1.9 × 10− 3–1.4 × 10− 3)

0.73

Lowest oxygen saturation, %

2 × 10− 4 (− 3.4 × 10− 3–3.8 × 103)

0.91

3% ODI, event/h

6.5 × 10− 5 (− 1.4 × 10− 3–1.5 × 10− 3)

0.92

Arousal index, event/h

3.8 × 10− 4 (− 1.3 × 10− 3–0.002)

0.66

Total cholesterol, mg/dL

−0.6 × 10−3 (− 1.5 × 10− 3–0.3 × 10− 3)

0.19

High-density lipoprotein, mg/dL

0.6 × 10− 3 (− 1.4 × 10− 3–2.7 × 10− 3)

0.53

Low-density lipoprotein, mg/dL

−0.3 × 10− 3 (− 1.3 × 10− 3–0.6 × 10− 3)

0.49

Triglycerides, mg/dL

−0.2 × 10− 3 (− 0.4 × 10− 3–0.09 × 10− 3)

0.22

Free fatty acids, mg/dL

0.09 × 10− 3 (− 0.1 × 10− 3–0.3 × 10− 3)

0.37

Blood glucose, mg/dL

1.6 × 10− 3 (0.4 × 10− 3–2.8 × 10− 3)

< 0.01

Hemoglobin A1c, %

35.3 × 10− 3 (1.8 × 10− 3–68.8 × 10− 3)

0.04

Urinary albumin–creatinine ratiob, mg/g

1.61 × 10− 5 (− 26.3 × 10− 5–29.6 × 10− 5)

0.91

  1. aLog-transformed. bDefined as urine albumin/creatinine
  2. CI confidence interval, BMI body mass index, AHI apnea–hypopnea index, CT90 cumulative percentage of sleep time with percutaneous oxygen saturation < 90%, ODI oxygen desaturation index