The influence of iron status and genetic polymorphisms in the HFE gene on the risk for postoperative complications after bariatric surgery: a prospective cohort study in 1,064 patients

Table 2 Demographics and iron parameters of study population (N = 1064).

*Demographic/Iron Parameter*	*Result*
Age (years), Mean (SD)	46.5 (11.0)
Gender
Male (%)	209 (20%)
Female (%)	855 (80%)
Weight (lbs.), Mean (SD)
Baseline	307 (62)
Surgery	293 (60)
BMI (kg/m²), Mean (SD)
Baseline	50.2 (8.7)
Surgery	47.9 (8.3)
Hepatic iron staining	183 (17.2%)
Serum iron (ug/dL)*, Median [Q1, Q3]	62 [50, 79]
Ferritin (ng/mL)*, Median [Q1, Q3]	99 [50, 167]
Iron binding capacity (ug/dL)*, Median [Q1, Q3]	316 [287, 349]
Transferrin saturation (%)*, Median [Q1, Q3]	20 [15, 25]
HFE C282 NORMAL	950 (89%)
HFE C282Y HETEROZYGOUS	111 (10%)
HFE C282Y HOMOZYGOUS	3 (<1%)
HFE H63D NORMAL	777 (73%)
HFE H63D HETEROZYGOUS	257 (24%)
HFE H63D HOMOZYGOUS	30 (3%)

*Serum iron, ferritin, iron binding capacity, and transferring saturation were available for n = 894, n = 900, n = 895, and n = 891 subjects, respectively.

ISSN: 1754-9493