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Table 2 Depressive and anxious symptoms of the study population

From: Prevalence and correlations with depression, anxiety, and other features in outpatients with chronic obstructive pulmonary disease in China: a cross-sectional case control study

Variables

Healthy controls

COPD

  

I (n = 163)

II (n = 460)

III (n = 289)

IV (n = 188)

total

HADS-A

Total score

3.1 (0–12)

6.1(2–15)

6.3(4–17)

6.5(5–18)

7.0(6–19)b

6.7 (2–19)a

HADS-A ≥ 8

58 (5.3)

14(8.6)

70(15.2)

65(22.5)

52(27.7)b

201(18.3)a

HADS-D

Total score

3.3 (0–13)

5.8(3–15)

6.5(5–17)

6.8(5–18)

7.3(7–20)b

6.7(3–20)a

HADS-D ≥ 8

79(7.2)

25(15.3)

118(25.7)

123(42.6)

127(67.6)b

393(35.7)a

BODE index

NA

2.4(1–6)

2.7(1–7)

3.3(1–8)

4.1(2–8)b

2.9(1–8)

  1. HADS-A, HADS—anxiety; HADS-D,HADS—depression.
  2. Values are expressed as the median (range) or number (%).
  3. a p < 0.01 compared to healthy controls.
  4. b p < 0.01 compared to mild-to-severe COPD.
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BMC Pulmonary Medicine

ISSN: 1471-2466

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