Fig. 4From: Adaptive NKG2C+ natural killer cells are related to exacerbations and nutritional abnormalities in COPD patientsPercentages of NKG2C+ cells in: (a) occasional vs. frequent exacerbators; (b) normal body composition vs. low FFMI (< 18 kg/m2 [♂] & < 15 kg/m2 [♀]). * p value < 0.05Back to article page