Table 1. Study Population with Liver Dysfunction and/or Proteinuria at Baseline.

From: Weight Loss Improves Liver Dysfunction and Dipstick Proteinuria in Obesity: The Japan Specific Health Checkups Study

Liver dysfunction and/or proteinuria (+) Obesity (−) Obesity (+) P value
Study size (persons) 48,676 36,256
Sex (% female) 35.1 39.5 <0.001
Age (years) 63 ± 8 61 ± 8 <0.001
Body mass index (kg/m2) 22.1 ± 2.1 27.9 ± 2.6 <0.001
Systolic blood pressure (mmHg) 131 ± 18 136 ± 17 <0.001
Diastolic blood pressure (mmHg) 78 ± 11 81± 11 <0.001
Aspartate aminotransferase (IU/L) 35 ± 21 35 ± 18 0.004
Alanine aminotransferase (IU/L) 34 ± 23 43 ± 25 <0.001
Baseline proteinuria, +/- or more (% yes) 31.0 39.9 <0.001
Estimated GFR (mL/min/1.73 m2) 75.4 ± 17.4 74.4 ± 17.2 <0.001
Free blood sugar (mg/dL) 101 ± 25 108 ± 28 <0.001
Hemoglobin A1c (%) 5.4 ± 0.8 5.7 ± 0.9 <0.001
Triglycerides (mg/dL) 139 ± 113 168 ± 116 <0.001
High-density lipoprotein (mg/dL) 62.3 ± 17.9 53.6 ± 13.3 <0.001
Low-density lipoprotein (mg/dL) 120 ± 34 129 ± 32 <0.001
Exercise habit (% yes) 36.4 42.0 <0.001
Smoking (%) 22.2 21.1 <0.001
Alcohol intake habit, daily (% yes) 35.4 36.4 0.003
Use of antihypertensive drugs (%) 32.8 33.2 0.220
Use of hypoglycemic drugs (%) 7.7 7.2 0.006
Use of lipid-lowering drugs (%) 15.8 16.3 0.049
ΔBMI (kg/m2/year) +0.1 ± 0.8 -0.1 ± 1.0 <0.001
Time to endpoint (days) 1,088 ± 545 1,104 ± 549 <0.001
Table 2. Age- and Sex-Adjusted and Multivariable-Adjusted Rates of Improvement in Liver Dysfunction and Proteinuria in Obesity.

From: Weight Loss Improves Liver Dysfunction and Dipstick Proteinuria in Obesity: The Japan Specific Health Checkups Study

Improvement of liver dysfunction Improvement of proteinuria
Model 1 Units Age- and sex-adjusted P value Age- and sex-adjusted P value
Sex female 1.07 (1.03-1.11) <0.01 1.33 (1.26-1.40) <0.01
Age per −10 years 0.89 (0.87-0.91) <0.01 1.09 (1.05-1.13) <0.01
Δ Body mass index per −1 kg/m2/year 1.07 (1.05-1.09) <0.01 1.04 (1.02-1.07) <0.01
Model 2 Multivariable-adjusted P value Multivariable-adjusted P value
Sex female 1.05 (1.00-1.10) 0.06 1.29 (1.20-1.40) <0.01
Age per −10 years 0.90 (0.87-0.93) <0.01 1.00 (0.95-1.04) 0.89
Δ Body mass index per −1 kg/m2/year 1.07 (1.05-1.09) <0.01 1.04 (1.02-1.07) <0.01
Body mass index per −1 kg/m2 1.01 (1.00-1.02) 0.03 1.01 (1.00-1.02) 0.08
Estimated GFR per +10 mL/min/1.73 m2 0.97 (0.96-0.99) <0.01 1.07 (1.06-1.09) <0.01
Smoking no current smoking 1.01 (0.96-1.07) 0.59 1.08 (0.99-1.18) 0.07
Alcohol intake habit not daily 1.01 (0.99-1.04) 0.32 1.01 (0.97-1.06) 0.55
Systolic blood pressure per −10 mmHg 0.98 (0.96-1.00) 0.01 1.03 (1.01-1.05) 0.01
Diastolic blood pressure per −10 mmHg 1.02 (0.99-1.04) 0.14 0.96 (0.93-1.00) 0.05
Use of antihypertensive drugs no use 1.07 (1.03-1.12) <0.01 1.27 (1.19-1.35) <0.01
Use of hypoglycemic drugs no use 0.98 (0.91-1.05) 0.54 1.17 (1.05-1.30) <0.01
Use of lipid-lowering drugs no use 0.99 (0.94-1.04) 0.69 1.10 (1.02-1.19) 0.02
Hemoglobin A1c per −1% 0.96 (0.94-0.99) 0.01 1.09 (1.05-1.13) <0.01
Triglycerides per −10 mg/dL 1.00 (1.00-1.00) <0.01 1.00 (1.00-1.01) 0.01
High-density lipoprotein per −10 mg/dL 0.99 (0.97-1.01) 0.20 1.00 (0.98-1.04) 0.42
Low-density lipoprotein per −10 mg/dL 0.99 (0.98-0.99) <0.01 1.01 (1.00-1.02) 0.22
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