Nomograms for Predicting Coexisting Cardiovascular Disease and Prognosis in Chronic Obstructive Pulmonary Disease: A Study Based on NHANES Data

Table 2

Baseline hematological indexes of the included participants.

Variables	COPD group (n = 391)	COPD + CVD group (n = 149)
Leukocyte, 10 ^ 9 cells/L	7.10 [5.90, 8.80]	7.50 [6.40, 8.80]	0.041
Lymphocyte, 10 ^ 9 cells/L	2.00 [1.60, 2.50]	2.00 [1.40, 2.60]	0.704
Monocyte, 10 ^ 9 cells/L	0.50 [0.40, 0.70]	0.60 [0.50, 0.70]	0.092
Neutrophil, 10 ^ 9 cells/L	4.20 [3.40, 5.40]	4.60 [3.70, 5.70]	0.013
Eosinophil, 10 ^ 9 cells/L	0.20 [0.10, 0.30]	0.20 [0.10, 0.30]	0.046
Basophil, 10 ^ 9 cells/L	0.00 [0.00, 0.10]	0.00 [0.00, 0.10]	0.081
Erythrocyte, 10 ^ 12 cells/L	4.58 (0.50)	4.56 (0.51)	0.659
Hemoglobin, g/dL	14.10 [13.10, 15.20]	14.10 [12.80, 15.10]	0.671
HCT, %	41.30 (4.43)	41.33 (4.61)	0.944
RDW, %	12.90 [12.40, 13.60]	13.40 [12.70, 14.30]	<0.001
MPV, fL	7.70 [7.30, 8.30]	7.90 [7.30, 8.40]	0.104
CRP, mg/dL	0.23 [0.10, 0.75]	0.30 [0.14, 0.71]	0.109
Albumin, g/L	41.00 [39.00, 44.00]	41.00 [39.00, 43.00]	0.43
ALT, U/L	20.00 [15.00, 26.50]	21.00 [18.00, 28.00]	0.064
AST, U/L	23.00 [20.00, 28.50]	24.00 [21.00, 29.00]	0.225
ALP, U/L	72.00 [59.00, 86.00]	72.00 [60.00, 89.00]	0.523
BUN, mg/dL	13.00 [10.00, 16.00]	14.00 [10.00, 20.00]	0.017
LDH, U/L	134.00 [119.00, 150.00]	145.00 [126.00, 165.00]	<0.001
UA, µmol/L	321.20 [258.75, 380.70]	350.90 [297.40, 428.30]	<0.001
Creatinine, µmol/L	76.91 [63.65, 90.17]	88.40 [72.49, 106.08]	<0.001
GTT, U/L	22.00 [15.00, 35.00]	25.00 [17.00, 41.00]	0.006
Osmolality, mmol/kg	279.00 [275.00, 282.00]	280.00 [276.00, 284.00]	0.009
HbA1c, %	5.60 [5.40, 6.00]	5.90 [5.50, 6.70]	<0.001
HDL, mmol/L	1.34 [1.09, 1.66]	1.16 [1.01, 1.45]	<0.001
NLR	2.12 [1.58, 2.80]	2.28 [1.62, 3.33]	0.042
LMR	3.80 [2.73, 4.75]	3.50 [2.40, 4.67]	0.058
SIRI	1.11 [0.78, 1.69]	1.33 [0.85, 2.03]	0.006

HCT: hematocrit. RDW: red cell distribution width. MPV: mean platelet volume. CRP: C-reactive protein. ALT: alanine aminotransferase. AST: aspartate aminotransferase. ALP: alkaline phosphatase. BUN: blood urea nitrogen. LDH: lactate dehydrogenase. UA: uric acid. GTT: gamma-glutamyl transferase. HbA1c: glycosylated hemoglobin. HDL: high-density lipoprotein. NLR: neutrophil count to lymphocyte count ratio. LMR: lymphocyte count to monocyte count ratio. SIRI: systemic Inflammation Response Index. Values were presented as mean (SD) or median [interquartile range (IQR).