Comparison of CRP, Procalcitonin, Neutrophil Counts, Eosinophil Counts, sTREM-1, and OPN between Pneumonic and Nonpneumonic Exacerbations in COPD Patients

Table 1

Basic characteristics of subjects included.

	AECOPD patients	CAP + AECOPD patients
No.	93	52
Age, years	72.6 ± 8.6	70.79 ± 9.5	0.20
BMI, kg m^−2	22.53 ± 4.2	23.17 ± 3.3	0.41
Sex (male/female), n (%)	82 (88.2)/11 (11.8)	45 (86.5)/7 (13.5)	0.78
Current smokers, n (%)	41 (44.1)	17 (32.7)	0.18
Pharmacotherapy, n (%)
ICS	85 (91.4)	47 (90.4)	1.0
SCS	31 (33.3)	25 (48.1)	0.08
Antibiotic	91 (97.8)	52 (100)	0.54
FEV1/FVC, n (%), median (IQR)	54.03 (43.8–61.7)	53.4 (41.4–61.02)	0.64
FEV1, % predicted, median (IQR)	49.4 (33.9–63.3)	45 (27.7–56.0)	0.08
COPD-GOLD stage I-II/III-IV, n (%)	48 (51.6)/45 (48.4)	34 (65.4)/18 (34.6)	0.11
CRUB-65 score 0/1/2, n (%)	11 (11.8)/54 (58.1)/28 (30.1)	10 (19.2)/28 (53.8)/14 (26.9)	0.48
Chronic congestive heart failure, n (%)	8 (8.6)	5 (9.6)	1.0
Hepatic failure, n (%)	2 (1.1)	1 (1.9)	1.0
Diabetes mellitus, n (%)	12 (12.9)	16 (30.8)	0.009