Table 1 Demographics and clinical characteristics

Age (years)

31

52

41

61

61

Gender

M

M

M

F

M

Combined diseases

-

HBP、DM

gout

-

-

Time from initial symptom to kidney biopsy (months)

2

2

2

10

12

initial symptom

bone pain

fatigue

bone pain and fever

fatigue

anorexia

Extra-renal manifestations

lung and lymph nodes

lung and lymph nodes

lung and lymph nodes

lung and lymph nodes

lung and lymph nodes

Hypercalcemia

Y

Y

Y

N

N

PTH (pg/mL)

6.6

NA

8.09

6.26

3.27

Creatinine (µmol/L)

449

412

415

902

983

eGFR (mL/min per 1.73m²)

23

18.3

20.5

5.4

6.19

Hypercalciuria

Y

Y

Y

N

N

24-h urine protein (g/24 h)

0.5

0.8

0.66

0.18

0.23

Cause of renal biopsy

AKI

AKI

AKI

AKI

AKI