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Table 1 Baseline characteristics of all participants, and across the three groups: OSA with CPAP, OSA without CPAP, and non-OSA

From: Obstructive sleep apnoea and 12-month weight loss in adults with class 3 obesity attending a multidisciplinary weight management program

Variable

Mean±SD or n(%)

OSA (n=70)

Non-OSA (n=41)

p value*

OSA with CPAP (n=38)

OSA without CPAP (n=32)

Age (years)

57.0 ± 12.4

53.5 ± 10.9

50.6 ± 14.7

0.100

Female

22 (57.9 %)

20 (62.5 %)

37 (90.2 %)

0.003

Caucasian

24 (63.2 %)

23 (71.9 %)

33 (80.5 %)

0.230

Not in paid employment

27 (71.1 %)

17 (53.1 %)

20 (48.8 %)

0.112

Weight (kg)

148.1 ± 31.3

140.4 ± 26.6

134.9 ± 29.2

0.137

BMI (kg/m2)

52.1 ± 8.7

50.3 ± 9.5

50.4 ± 9.3

0.636

Hypertension

28 (73.7 %)

23 (71.9 %)

24 (58.5 %)

0.294

T2DM

26 (68.4 %)

20 (62.5 %)

23 (56.1 %)

0.528

Dyslipidaemia

28 (73.7 %)

25 (78.1 %)

25 (61.0 %)

0.240

Cardiovascular disease

9 (23.7 %)

6 (18.8 %)

5 (12.2 %)

0.441

Non-Alcoholic Fatty liver disease (NAFLD)

5 (13.2 %)

7 (21.9 %)

6 (14.6 %)

0.579

Gastro-oesophageal Reflux Disease (GORD)

13 (34.2 %)

20 (62.5 %)

18 (43.9 %)

0.039

Total Cholesterol (mmol/L)

4.5 ± 1.1

4.4 ± 0.9

4.4 ± 1.2

0.880

Triglycerides (mmol/L)

1.9 ± 1.5

1.8 ± 0.8

1.8 ± 0.8

0.845

LDL Cholesterol (mmol/L)

2.5 ± 1.0

2.5 ± 0.7

2.4 ± 1.2

0.925

HDL Cholesterol (mmol/L)

1.1 ± 0.3

1.1 ± 0.3

1.2 ± 0.3

0.642

ALT (IU/L)

33.4 ± 23.5

27.8 ± 13.4

30.2 ± 14.5

0.447

Epworth Sleepiness Scale score

7.7 ± 5.3

8.5 ± 4.8

5.8 ± 5.1

0.078

Berlin Score

2.5 ± 0.7

2.4 ± 0.7

2.3 ± 0.7

0.532

  1. *p-values reflects the difference across three groups.