Clinical Study

Changes in Erythrocyte Sedimentation Rate, White Blood Cell Count, Liver Enzymes, and Magnesium after Gastric Bypass Surgery

Table 1

Clinical characteristics for patients before RYGBP surgery and at followups 1 year and 3.5 years after surgery and for morbidly obese controls at baseline.

Controls baselineRYGBP baselineRYGBP
1 year
RYGBP
3.5 years
for difference at baseline for trend RYGBP

Gender (women/men)16/518/318/318/30.429
Age (years)38.7 (7.5)45.7 (9.7)0.013
BMI (kg/m2)44.3 (5.1)42.3 (5.2)29.7 (4.6)32.1 (5.3)0.211<0.001
Weight (kg)124.0 (17.3)120.0 (16.4)84.0 (13.6)90.8 (16.0)0.444<0.001
Height (cm)167.2 (8.5)168.4 (6.2)0.614
ESR (mm/hr)16 (10)17 (7)11 (7)12 (8)0.6790.018
White blood cell count (×109/L)7.5 (1.6)7.0 (1.53)5.6 (1.04)6.0 (1.55)0.3000.006
S-ALT (μkatal/L)0.57 (0.48)0.62 (0.25)0.34 (0.18)0.24 (0.10)0.691<0.001
S-GGT (μkatal/L)0.69 (0.46)0.65 (0.42)0.28 (0.19)0.31 (0.24)0.815<0.001
S-magnesium (mmol/L)0.80 (0.06)0.80 (0.06)0.85 (0.08)0.87 (0.07)0.9610.009
S-creatinine (mmol/L)81.8 (10.1)75.9 (8.7)75.3 (8.3)73.6 (9.8)0.0510.704

Data given are arithmetic means (±SD).
BMI: body mass index, ESR: erythrocyte sedimentation rate, ALT: alanine aminotransferase, GGT: gamma-glutamyl transferase, S: serum.