Table 3– Effects of continuous positive airway pressure (CPAP) versus sham CPAP

	CPAP	Sham	Mean CPAP − sham difference (95% CI)	p-value
Adipose tissue
Subcutaneous fat cm³	2767.8±882.6	2796.4±960.2	-28.6 (-113.4–56.1)	0.49
Visceral fat cm³	1222.5±526.1	1239.2±563.0	-16.8 (-79.9–46.4)	0.59
IHL %	5.4±1.8	5.6±1.7	-0.2 (-0.6–0.1)	0.21
LFT
ALP^# U·L⁻¹	71.5±13.4	74.6±15.2	-3.1 (-5.6– -0.6)	0.02
AST^¶ U·L⁻¹	25.8±6.7	25.5±6.8	0.3 (-2.5–3.1)	0.82
ALT^¶ U·L⁻¹	39.8±16.2	38.4±16.5	1.3 (-3.7–6.4)	0.59
GGT⁺ U·L⁻¹	40.2±21.5	42.5±26.8	-2.3 (-6.9–2.4)	0.33
Total protein^§ g·L⁻¹	73.3±4.1	73.3±4.7	0 (-1–0.9)	0.94
Albumin^ƒ g·L⁻¹	45.3±2.1	45.3±2.2	0 (-0.6–0.5)	0.89
Bilirubin^## μmol·L⁻¹	10.8±5.9	11.1±7.1	-0.2 (-1.7–1.2)	0.75
Fasting glucose^¶¶ mmol·L⁻¹	5.5±1.1	5.6±1.0	-0.1 (-0.4–0.2)	0.46
BMI kg·m⁻²	31.6±3.7	31.4±3.7	0.26 (-0.28–0.80)	0.32

Data are presented as mean±sd,unless otherwise stated. IHL:intrahepatic liquid; LFT: liver function test; ALP: alkaline phosphatase; AST: aspartate aminotransferase; ALT: alanine aminotransferase; GGT: γ-glutamyltransferase; BMI: body mass index. ^#: normal reference range 30–130 U·L⁻¹; ^¶: normal reference range 5–55 U·L⁻¹; ⁺: normal reference range <35 U·L⁻¹; ^§: normal reference range 62–80 g·L⁻¹; ^ƒ: normal reference range 38–48 g·L⁻¹; ^##: normal reference range <18 μmol·L⁻¹; ^¶¶: normal reference range 3.9–5.5 mmol·L⁻¹.