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Table 3 Comparison of SP-D levels and cell viability among the study groups

From: Value of serum and induced sputum surfactant protein-D in chronic obstructive pulmonary disease

 

Group 1 (control subjects)

Group 2 (stage 1 and 2 COPD patients)

Group 3 (stage 3 and 4 COPD patients)

p

 

(n = 20)

(n = 20)

(n = 20)

 

Serum SP-D (ng/ml)

86.2 ± 49

108.9 ± 65

129 ± 71

p = 0.10

Sputum SP-D (ng/ml)

33.1 ± 34

28 ± 15.2

30.42 ± 12.8

p = 0.83

Viability %

73.5 ± 12.1

79.8 ± 11.2

80.1 ± 19

p = 0.86

  1. The results were expressed as mean ± standard deviation.
  2. COPD Chronic obstructive pulmonary disease, SP-D surfactant protein D.