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Table 3 Detailed information associated with disease severity and treatment responses of the 18 enrolled MuSK-MG patients

From: Clinical features, treatment and prognosis of MuSK antibody-associated myasthenia gravis in Northwest China: a single-centre retrospective cohort study

Patient No.

Immunotherapy history

QMGs before therapy

MGFA before therapy

Maximum

QMGs

Maximum severity MGFA

QMGs at last follow-up

MGFA-PIS at last follow-up

Immunotherapy at last follow-up

MuSK-ab at last follow-up (nmol/L)

No. of myasthenic crisis

Time from onset to crisis (m)

1

TAC, Pred

22

IIIb

28

V

0

PR

TAC (3 mg/d)

0.001

1

34

2

TAC, Pred

15

IIIb

15

IIIb

0

PR

TAC (3 mg/d)

0.001

0

NA

3

TAC, Pred

16

IIIb

16

IIIb

0

MM

TAC (3 mg/d)

Pred (20 mg/d)

0.20

0

NA

4

TAC, Pred

10

IIb

13

IIb

0

PR

TAC (3 mg/d)

0.46

0

NA

5

RTX, Pred

12

IIb

12

IIb

0

PR

RTX (100 mg/6 m)

0.22

0

NA

6

RTX, Pred

6

I

6

I

0

MM

RTX (100 mg/5 m)

Pred (5 mg/d)

0.26

0

NA

7

RTX, Pred

11

IIb

11

IIb

0

PR

RTX (100 mg/6 m)

0.001

0

NA

8

RTX, Pred

20

V

20

V

0

MM

RTX (100 mg/6 m)

Pred (5 mg/d)

0.20

1

3

9

AZA, Pred, RTX

7

V

26

V

0

PR

RTX (100 mg/6 m)

0.47

3

16a

10

RTX, Pred

19

V

19

V

0

MM

RTX (100 mg/6 m)

Pred (15 mg/d)

0.25

1

2

11

AZA, Pred

15

IIb

22

V

0

PR

Pred (5 mg/d)

0.45

1

15

12

AZA, Pred

6

IIb

6

IIb

2

I

Pred (10 mg/d)

0.51

0

NA

13

AZA, Pred, RTX

8

IIb

14

IIIb

0

CSR

None

0.37

0

NA

14

Pred, RTX

12

IIb

12

IIb

0

PR

RTX (100 mg/6 m)

ND

0

NA

15

RTX, Pred

20

IIIb

20

IIIb

0

PR

RTX (100 mg/6 m)

Pred (20 mg/d)

ND

0

NA

16

AZA, Pred, TAC

18

IIb

18

IIb

1

MM

TAC (3 mg/d)

Pred (25 mg/d)

ND

0

NA

17

Pred

11

IIb

16

IIIb

0

PR

Pred (10 mg/d)

ND

0

NA

18

Pred

3

I

3

I

0

MM

Pred (25 mg/d)

ND

0

NA

  1. Abbreviations: QMGs Quantitative Myasthenia Gravis score, MGFA Myasthenia Gravis Foundation of America, MGFA-PIS MGFA Postintervention Status, MuSK-ab Muscle-specific kinase antibody, Pred Prednisone, AZA Azathioprine, TAC Tacrolimus, RTX Low-dose rituximab, CSR Complete stable remission, PR Pharmacologic remission, MM Minimal manifestations, I Improved, No. Number, NA Not applicable, ND Not done, m Month. a represents the interval from disease onset to the first crisis