Research Article

Elevated Plasma Neutrophil Gelatinase-Associated Lipocalin Level as a Risk Factor for Anemia in Patients with Systemic Inflammation

Table 2

Plasma NGAL levels and hematologic parameters in patients with inflammation.

Patients with inflammation
NGAL > 156 ng/mL (n = 62)NGAL ≤ 156 ng/mL (n = 125)P value

NGAL
 Plasma NGAL level (ng/mL)269 (197–472)84 (65–131)<0.001
Hematologic parameters
 Hemoglobin (g/dL)10.9 ± 2.312.9 ± 2.5<0.001
 Anemia (n, %)42 (67.7)34 (27.2)<0.001
 Erythrocytes (×1012/L)3.71 ± 0.694.16 ± 0.83<0.001
 Red cell distribution width (%)14.5 ± 2.513.6 ± 2.10.017
Iron parameters
 Serum iron (µg/dL)27.4 ± 25.358.1 ± 43.5<0.001
 Transferrin saturation (%)22.1 ± 18.629.0 ± 27.80.482
 Serum ferritin (ng/mL)342.9 (163.7–631.8)196.4 (125.8–512.3)0.376
Inflammation indices
 hsCRP (mg/dL)6.85 (3.74–12.06)2.18 (0.86–4.15)<0.001
 cESR (mm/h)47.5 ± 20.716.8 ± 13.2<0.001

Data are expressed as median (interquartile range), mean ± SD, or frequency (%).
NGAL, neutrophil gelatinase associated lipocalin; hsCRP, high-sensitivity C-reactive protein; cESR, corrected erythrocyte sedimentation rate.