Table 2 Characteristics of appointments for all patients, and for patients who did and did not meet the pre-assessment criteria in the nephrology OC

# Unique patients

1898

522

1593

Gender, female (%)

36.29%

46.63%

34.00%

<0.001

Age in years

67.68 (± 13.87)

64.90 (± 14.45)

68.29 (± 13.66)

<0.001

n=4821

n=876

n=3945

eGFR (ml/min/1.73m2)

38.66 (± 21.82)

46.69 (± 22.00)

36.88 (± 21.38)

<0.001

n=4821

n=876

n=3945

ACR (mg/mmol)

62.74 (± 133.20)

5.32 (± 6.88)

68.99 (± 138.82)

<0.001

n=2403

n=236

n=2167

PCR (mg/mmol)

1.00 (± 1.49)

0.20 (± 0.21)

1.06 (± 1.53)

<0.001

n=3349

n=228

n=3121

Syst. blood pressure (mmHg)

132.72 (± 18.81)

132.07 (± 19.65)

132.87 (± 18.62)

0.326

n=3757

n=688

n=3069

Potassium (mmol/l)

4.20 (± 1.71)

4.30 (± 3.11)

4.40 (± 1.20)

0.696

n=4805

n=874

n=3931

Calcium (mmol/l)

2.37 (± 0.12)

2.38 (± 0.11)

2.37 (± 0.12)

<0.001

n=4598

n=781

n=3817

Phosphate (mmol/L)

1.08 (± 0.67)

1.05 (± 0.27)

1.09 (± 0.72)

0.013

n=4441

n=727

n=3714

PTH (mg/mmol)

12.09 (± 8.81)

12.39 (± 10.96)

12.04 (± 8.39)

0.484

n=3651

n=537

n=3114

Bicarbonate (mmol/L)

24.41 (± 3.14)

24.92 (± 3.19)

24.33 (± 3.13)

<0.001

n=3412

n=474

n=2938

Natrium (mmol/L)

139.58 (± 3.01)

139.55 (± 3.17)

139.59 (± 2.97)

0.739

n=4808

n=874

n=3934

Hemoglobin (mmol/L)

8.08 (± 1.18)

8.29 (± 1.08)

8.04 (± 1.19)

<0.001

n=4740

n=852

n=3888

Ferritin (\(\mu\)g/l)

227.93 (± 255.28)

199.79 (± 184.08)

232.18 (± 264.17)

0.020

n=1750

n=230

n=1520