Table 2 Pulmonary symptoms on the COPD Assessment Test (CAT) and 6MWT distance at baseline according to the pattern of baseline pulmonary function
From: Pulmonary restriction predicts long-term pulmonary impairment in people with HIV and tuberculosis
Normal (n = 58) | Obstruction (n = 13) | Restriction (n = 32) | Mixed (n = 9) | |
|---|---|---|---|---|
Total CAT score | 4 (2–9) | 3 (2–7) | 10 (4–15)* | 8 (4–19)* |
Cough | 1 (0–2) | 1 (0–1) | 2 (1–3)* | 1 (1–2) |
Phlegm | 1 (0–1) | 1 (0–1) | 1 (0–2) | 1 (1–2) |
Chest tightness | 0 (0–1) | 0 (0–1) | 0 (0–2)* | 1 (0–2)* |
Breathlessness | 0 (0–2) | 0 (0–1) | 2 (0–3)* | 1 (1–2) |
Limited activity | 0 (0–1) | 0 (0–1) | 0 (0–3) | 1 (0–3) |
Confidence leaving home | 0 (0–0) | 0 (0–0) | 0 (0–0) | 0 (0–1) |
Sleep | 0 (0–1) | 0 (0–0) | 0 (0–2) | 0 (0–3) |
Energy | 1 (0–2) | 1 (0–1) | 2 (1–2)* | 1 (0–2) |
CAT 0 n (%) | 6 (10) | 1 (8) | 0 (0)* | 0 (0) |
CAT 1–5 | 27 (47) | 7 (54) | 12 (38) | 4 (44) |
CAT 6–10 | 15 (26) | 2 (15) | 6 (19) | 2 (22) |
CAT > 10 | 10 (17) | 3 (23) | 14 (44) | 3 (33) |
6MWT distance | 399 (360–447) | 378 (307–456) | 364 (326–442) | 389 (332–422) |