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Table 1 Comparison of the baseline data between treatment and control group

From: Effects of Lung Support Formula on respiratory symptoms among older adults: results of a three-month follow-up study in Shanghai, China

Items

Treatment group (n = 50)

Control group (n = 49)

Pvalue*

Age (years)

64.33 ± 9.41

65.90 ± 10.73

0.436

Gender (male % )

21/50 (42.0)

23/49 (46.9)

0.621

Medication history (positive %)

10/50 (20.0)

6/49 (12.2)

0.295

Smoking history (positive %)

7/50 (14.0)

9/49 (18.4)

0.555

Drinking history (positive %)

11/50 (22.0)

6/49 (12.2)

0.198

Respiratory symptoms score

8.86 ± 2.15

8.92 ± 2.33

0.897

Chronic cough (positive %)

46/50 (92.0)

47/49 (95.9)

0.692

Chronic expectoration (positive %)

43/50 (86.0)

43/49 (87.8)

0.796

Asthma/Dyspnea (positive %)

14/50 (28.0)

18/49 (36.7)

0.353

Chronic angina (positive %)

20/50 (40.0)

19/49 (38.8)

0.901

Chronic bronchitis (positive %)

31/50 (62.0)

27/49 (55.1)

0.486

Respiratory rate (times/min)

19.78 ± 2.33

20.33 ± 2.07

0.220

Heart rate (times/min)

80.10 ± 6.99

81.22 ± 6.99

0.426

HGB (mg/dL)

133.56 ± 12.43

129.65 ± 11.51

0.108

RBC (10 [9]/mm [3])

4.51 ± 0.47

4.43 ± 0.54

0.418

WBC (10 [9]/mm [3])

6.35 ± 1.34

6.69 ± 1.21

0.188

Neutrophil (10 [9]/mm [3])

4.49 ± 1.20

4.76 ± 1.21

0.261

Scores of life quality (SF-36)

109.98 ± 16.33

107.94 ± 13.09

0.596

  1. HGB, Hemoglobin; RBC, Red blood cell; WBC, white blood cell.
  2. *Unpaired Student’s t-test or Mann–Whitney test was used to compare differences in mean or mean ranks of variables between the control group and treatment group. Chi-square test was used for categorical data.