Table 3 Associations between serum α-klotho/100 (pg/mL) and BMD (g/cm2) by gender, age, race, BMI, diabetes and hypertension.

From: Serum alpha-klotho levels associate with bone mineral density in chronic kidney disease patients from NHANES 2011 to 2016

 

Left Leg BMD

Thoracic Spine BMD

Lumbar Spine BMD

Pelvis BMD

Trunk Bone BMD

Total BMD

Gender

 Male

0.004 (-0.001, 0.009) 0.1127

0.009 (0.003, 0.015) 0.0016*

0.005 (-0.002, 0.012) 0.1681

0.004 (-0.003, 0.012) 0.2487

0.005 (0.000, 0.009) 0.0493

0.003 (-0.002, 0.008) 0.2952

 Female

0.001 (-0.002, 0.004) 0.4496

0.004 (0.000, 0.007) 0.0280*

0.001 (-0.003, 0.005) 0.6634

0.001 (-0.003, 0.005) 0.6446

0.002 (-0.001, 0.005) 0.1370

0.003 (0.000, 0.006) 0.0225*

p for interaction

0.2855

0.0821

0.2982

0.4134

0.3099

0.8390

Age(Year)

 ≤50

0.001 (-0.002, 0.004) 0.6415

0.004 (0.001, 0.008) 0.0185*

0.003 (-0.002, 0.008) 0.2412

0.002 (-0.003, 0.007) 0.3531

0.003 (0.000, 0.006) 0.0326*

0.003 (-0.001, 0.006) 0.1125

 >50

0.001 (-0.003, 0.005) 0.6624

0.004 (-0.001, 0.008) 0.0970

0.000 (-0.005, 0.005) 0.9991

0.003 (-0.002, 0.009) 0.2804

0.001 (-0.002, 0.005) 0.4332

0.002 (-0.002, 0.005) 0.4367

p for interaction

0.9762

0.7532

0.4221

0.8333

0.3943

0.6470

Race

 Mexican American

-0.006 (-0.017, 0.005) 0.3066

-0.003 (-0.016, 0.009) 0.5994

-0.005 (-0.021, 0.012) 0.5607

-0.005 (-0.021, 0.011) 0.5480

-0.003 (-0.014, 0.007) 0.5237

-0.002 (-0.013, 0.008) 0.6577

 Other Hispanic

0.001 (-0.016, 0.018) 0.9059

0.002 (-0.017, 0.020) 0.8719

-0.003 (-0.027, 0.021) 0.8175

0.016 (-0.007, 0.039) 0.1796

0.003 (-0.013, 0.018) 0.7316

-0.001 (-0.018, 0.017) 0.9253

 Non-Hispanic White

0.004 (0.001, 0.008) 0.0239*

0.007 (0.003, 0.011) 0.0007**

0.004 (-0.001, 0.009) 0.1196

0.003 (-0.002, 0.008) 0.2248

0.004 (0.001, 0.008) 0.0107*

0.005 (0.002, 0.009) 0.0027**

 Non-Hispanic Black

-0.005 (-0.013, 0.004) 0.2623

0.002 (-0.008, 0.011) 0.7429

-0.001 (-0.013, 0.011) 0.8509

-0.005 (-0.016, 0.006) 0.3835

-0.002 (-0.009, 0.006) 0.6859

-0.005 (-0.014, 0.003) 0.2209

 Other Race

0.003 (-0.009, 0.015) 0.5866

0.001 (-0.012, 0.015) 0.8287

0.001 (-0.016, 0.019) 0.8873

0.004 (-0.013, 0.021) 0.6296

0.002 (-0.009, 0.013) 0.7249

0.003 (-0.009, 0.014) 0.6575

p for interaction

0.0668

0.2628

0.6370

0.2259

0.2754

0.0380*

BMI

 ≤ 24.9

0.001 (-0.006, 0.008) 0.7805

0.002 (-0.006, 0.011) 0.6121

0.000 (-0.011, 0.011) 0.9709

0.002 (-0.009, 0.012) 0.7631

0.001 (-0.006, 0.007) 0.8294

0.001 (-0.006, 0.008) 0.8515

 > 24.9, ≤ 29.9

0.000 (-0.005, 0.006) 0.8913

-0.001 (-0.007, 0.005) 0.7799

-0.004 (-0.012, 0.003) 0.2404

-0.002 (-0.009, 0.005) 0.6127

-0.000 (-0.005, 0.004) 0.9153

-0.001 (-0.006, 0.004) 0.7444

 > 29.9

-0.000 (-0.004, 0.003) 0.8520

0.005 (0.001, 0.010) 0.0187*

0.002 (-0.003, 0.008) 0.3721

0.002 (-0.003, 0.008) 0.3801

0.002 (-0.001, 0.005) 0.2321

0.002 (-0.002, 0.006) 0.3611

p for interaction

0.9209

0.1905

0.2536

0.5769

0.6665

0.6505

Diabetes

 No

0.000 (-0.002, 0.003) 0.7576

0.004 (0.001, 0.007) 0.0074**

0.000 (-0.003, 0.004) 0.8663

0.002 (-0.002, 0.006) 0.3099

0.002 (-0.000, 0.005) 0.0763

0.002 (-0.000, 0.005) 0.0940

 Yes

0.002 (-0.018, 0.021) 0.8585

0.001 (-0.015, 0.016) 0.9025

0.000 (-0.019, 0.020) 0.9921

0.003 (-0.016, 0.023) 0.7396

0.003 (-0.010, 0.016) 0.6396

-0.000 (-0.021, 0.020) 0.9670

p for interaction

0.8845

0.6756

0.9801

0.8859

0.8950

0.7859

Hypertension

 No

0.001 (-0.003, 0.004) 0.6917

0.005 (0.002, 0.009) 0.0029**

0.003 (-0.002, 0.007) 0.2267

0.004 (-0.000, 0.009) 0.0771

0.003 (0.000, 0.006) 0.0280*

0.002 (-0.001, 0.005) 0.2454

 Yes

-0.000 (-0.005, 0.004) 0.8664

-0.002 (-0.007, 0.004) 0.5469

-0.002 (-0.009, 0.005) 0.5585

-0.004 (-0.010, 0.003) 0.2685

-0.001 (-0.005, 0.003) 0.5955

0.001 (-0.003, 0.006) 0.5457

p for interaction

0.6932

0.0177*

0.2064

0.0386*

0.0677

0.8703

  1. Note: Regression coefficients represent the change in BMD (g/cm2) per 100 pg/mL increase in serum α-Klotho concentration. *p < 0.05, **p < 0.01 In the subgroup analysis, data were stratified by covariates, with the model not adjusted for the stratification variable itself.