Clinical Study

Factors Influencing Hemoglobin Variability and Its Association with Mortality in Hemodialysis Patients

Table 3

Demographic characteristics, biochemical parameters, and medications of patients.

Exitus (: 31)Alive (: 138) value

Age (years)60.6 ± 20.053.4 ± 13.40.027
Gender (male)27 (15.9%)96 (56.8%)0.248
Duration of hemodialysis (years)7.6 ± 5.49.5 ± 5.70.121
Hemoglobin (g/dl)10.6 ± 1.0310.8 ± 1.20.530
Hb-var (g/dl)0.94 (0.25)0.89 (0.26)0.578
Maximum Hb-var (g/dl)3.2 (1.7)3.3 (1.7)0.565
Coefficient of Hb-var8.8 (3.1)8.4 (3.0)0.429
RDW (%)16.2 (1.6)16.3 (2)0.733
Leukocyte (×103/µl)7.0 ± 1.76.6 ± 1.70.354
MCV (fl)89.7 ± 4.990.1 ± 5.50.788
Serum Iron (mg/dl)53.5 (16.3)58.2 (23.2)0.206
Transferrin saturation (%)29.7 (11.7)29.7 (18.3)0.301
Ferritin (µg/l)344.2 (297.7)305.3 (317.1)0.478
PTH (pg/ml)252.1 (419)415 (699)0.092
Calcium (mg/dl)9.1 ± 0.69.1 ± 0.70.988
Phosphate (mg/dl)5.1 ± 1.25.2 ± 1.30.615
Albumin (g/dl)4.0 ± 0.34.2 ± 0.40.150
CRP (mg/l)16.7 (21.0)8.2 (11.4)0.008
URR (%)66.5 ± 5.566.0 ± 6.60.693
MİS8 (3)6 (3)0.002
ESA total dose per body weight (U/kg) 4.1 (2.3)3.1 (3.8)0.066
İron per body weight (mg/kg) 13.2 (23.1)15.7 (21.5)0.542
Months of hb < 11 g/dl6.9 ± 3.16.2 ± 3.80.379
BMI (kg/m2)21.0 ± 3.823.0 ± 4.50.046
10 year survival2 (37)21 (75)0.011

HA: high-amplitude fluctuation; LAH: low-amplitude fluctuation with high hemoglobin; LAL: low-amplitude fluctuation with low hemoglobin; Hb-var (hemoglobin variability); MCV: mean corpuscular volume; RDW: red blood cell distribution width; CRP: C-reactive protein; PTH: parathyroid hormone; URR: urea reduction ratio; MIS: malnutrition-inflammation score; ESA: erythropoiesis-stimulating agents; BMI: body mass index, Median (interquartile range) other results are given as mean ± standard deviation.