showed a trendp = 0.05
In patients with stable and exacerbated COPD, serum L-arginine concentration showed a trend for positive correlation with F ENO ( r = 0.28, p = 0.05), but not to other clinical variables or sputum parameters ( p > 0.1).
In patients with stable and exacerbated COPD, serum L-arginine concentration showed a trend for positive correlation with F ENO ( r = 0.28, p = 0.05), but not to other clinical variables or sputum parameters ( p > 0.1).