Table 1 Participant characteristics and vital signs of No AECOPD and AECOPD groups. Data are presented as mean [standard deviation] unless otherwise stated

Male, n (%)

8 (52.9)

8 (57.1)

Age (years)

66.5 [8.5]

71.5 [8.1]

BMI (kg/m²)

25.9 [7.5]

24.6 [4.4]

FEV₁ (% predicted)

38.5 [14.7]

48.9 [24.5]

FEV₁/FVC ratio^a

0.38 (0.35–0.41)

0.41 (0.31–0.56)

MRC: 2, n (%)

3 (17.6)

3 (21.4)

3, n (%)

3 (17.6)

2 (14.3)

4, n (%)

7 (41.2)

5 (35.7)

5A, n (%)

2 (11.8)

4 (28.6)

5B, n (%)

2 (11.8)

0

Smoking status: never, n (%)

0

0

Ex-smoker, n (%)

12 (70.6)

10 (71.4)

Current, n (%)

5 (29.4)

4 (28.6)

Pack years (years) ^a

50.0 (45.0–60.0)

42.5 (35.5–63.5)

Home O₂ use, n (%)

2 (11.8)

2 (14.3)

Hospital admissions in last 12 months^a

1.0 (0.0–3.0)

2.0 (1.0–2.0)

Exacerbations in last 12 months^a

1.0 (1.0–1.0)

2.5 (2.0–38.)

Days worn (maximum of 42)^a,*

28.0 (14.0–37.0)*

38.5 (33.3–41.0)

WT (hrs)

11.7 [1.6]

11.6 [2.3]

RR (breaths/min)

20.9 [3.9]

20.7 [3.5]

HR (bpm)

85.8 [9.3]

82.2 [9.9]

ST (°C)

34.1 [0.8]

34.5 [0.9]

Stationary (hrs/day)

10.2 [1.9]

10.4 [2.0]

PA (% of WT)^a

10.4 (9.6–17.0)

8.9 (7.9–13.9)

PA (hrs/day)^a,b

1.2 (0.9–2.1)

1.1 (0.7–1.5)

EXACT score

41.5 [11.9]

42.6 [12.9]

Comorbidities n (%)

Cardiac disease

7 (41.2)

4 (33.3)

Hypertension

8 (47.1)

4 (33.3)

Diabetes

4 (23.5)

0

Kidney disease

1 (5.9)

0

Musculoskeletal disorders

5 (29.4)

2 (29.4)

Mental health disorders

4 (23.5)

0