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The Egyptian Journal of Bronchology

Table 5 Correlation between serum YKL-40 and BODE index and degree of severity of the group A

From: Study of serum Ykl-40 level and its relationship to BODE index in patients with chronic obstructive pulmonary disease

SerumYKL-40 (ng/L)

BODE index

P value

0.246

r

0.198

Degree of severity

P value

0.018*

r

0.190

O2 Saturation (%)

P value

0.889

r

0.139

Smoking index

P value

0.065

r

− 0.015

WBCs (cells/dL)

P value

0.004*

r

0.400

  1. r, Spearman coefficient; WBCs, white blood cells; BODE, body mass index, airflow obstruction, dyspnea, and exercise capacity
  2. *Significant as p value ≤ 0.05
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