Table 1 Laboratory Findings Throughout Illness

White blood cell count (× 10^3/uL)

2.91

16.16

12.82

6.05

4.93

Hemoglobin (g/dL)

14.2

13.9

15

15.4

16.5

Platelet Count (×10^3/uL)

369

415

420

354

319

Erythrocyte Sedimentation Rate (mm/hr)

88

14

9

6

3

C Reactive Protein (mg/dL)

13.18

0.23

0.34

0.11

0.1

c-ANCA titer

> 1:640

–

1:160

1:80

1:80

Proteinase 3 Ab (AI)

251.9

–

25.1

20.5

7.5