Table 3 Analysis of factors affecting serum ALP by GEE.

From: Longitudinal study on the change trend of serum alkaline phosphatase and its possible influencing factors in peritoneal dialysis patients

Variablea

B (95%CI)

Wald Chi-Square

p

Diabetes

 Yes

31.39 (− 8.533, 71.31)

2.375

0.123

 No

Reference

Sex

 Male

12.48 (− 50.21, 75.17)

0.152

0.696

 Female

Reference

Age (years)

1.107 (− 0.558, 2.773)

1.698

0.193

PD vintage (months)

1.223 (0.314, 2.132)

6.950

0.008b

Time

2.929 (0.051, 5.806)

3.980

0.046b

P Kt/V

− 27.29 (− 109.9, 55.33)

0.419

0.517

RF kt/V

− 9.540 (− 32.22, 13.14)

0.679

0.410

Cr( mmol/L)

− 0.015 (− 0.044, 0.013)

1.069

0.301

Hb (g/L)

0.319 (0.041, 0.596)

5.064

0.024b

ALB (g/L)

0.935 (− 0.619, 2.036)

1.391

0.238

CRP (mg/L)

0.368 (− 1.301, 0.003)

0.186

0.666

25(OH)D (ng/ml)

0.266 (− 1.033, 1.566)

0.161

0.688

P (mmol/L)

− 0.808 (− 11.74, 10.12)

0.021

0.885

Adjusted Ca (mmol/L)

− 0.018 (− 2.610, 2.574)

0.000

0.989

iPTH (ng/mL)

0.023 (− 0.009, 0.056)

1.931

0.165

  1. Working correlation matrix: AR(1).
  2. aSeparately enter adjusted Ca, P, iPTH into the model, the model was not improved and the regression coefficients of these variables were not significant.
  3. bp < 0.05.
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