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Table 1 Demographic and relevant health status characteristics (n = 281)

From: Impact of COPD on clinical and CT characteristics of COVID-19-associated pneumonia: single tertiary center experience

Data

COPD (n = 50)

Non-COPD (n = 231)

OR (95% CI)

p value

Demographic information

Men

40 (80.0%)

105 (45.5%)

0.208 (0.099–0.437)

 < 0.001*

Women

10 (20.0%)

126 (54.5%)

  

Age, years (mean age)

44–85 (68.4 ± 9.8)

41–93 (63.86 ± 11.1)

 

0.008*

Tobacco smoking, years

34.22 ± 12.85

27.57 ± 10.49**

 

0.007*

Hospital length of stay, days

10.02 ± 6.92

11.64 ± 6.34

 

0.108

In-hospital mortality

7 (14.0%)

21 (9.1%)

0.614 (0.246–1.536)

0.300

Relevant clinical symptoms

Fever ≥ 38.0 °C

26 (52.0%)

98 (42.4%)

0.680 (0.368–1.256)

0.216

Fever 37.0–37.9 °C

12 (24.0%)

98 (42.4%)

2.333 (1.159–4.696)

0.016*

No fever (< 37.0 °C)

12 (24.0%)

35 (15.2%)

0.565 (0.269–1.188)

0.128

Dyspnea at rest

34 (68.0%)

125 (54.1%)

0.555 (0.290–1.061)

0.072

Dry cough

29 (58.0%)

156 (67.5%)

1.506 (0.806–2.815)

0.198

Arterial oxygen saturation (SpO2), %, on admission

91.84 ± 5.40

91.85 ± 6.58

 

0.986

Comorbidities

Arterial hypertension

34 (68.0%)

145 (62.8%)

0.793 (0.414–1.522)

0.486

Ischemic heart disease

18 (36.0%)

92 (39.8%)

1.177 (0.624–2.220)

0.615

Diabetes mellitus

6 (12.0%)

49 (21.2%)

1.974 (0.795–4.902)

0.137

Stroke history

6 (12.0%)

18 (7.8%)

0.620 (0.233–1.650)

0.400

  1. Data are presented as median (IQR) or n (%). CI—confidence interval; OR—odds ratio; COPD—chronic obstructive pulmonary disease
  2. * Statistically significant p < 0.05. ** Out of 281 patients only 45 with smoking experience