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Table 2 Comparison between control group and TPE group regarding QMG and QOL score at initial, after 1 month, and percentage change

From: Determinants of quality of life changes with plasmapheresis in patients with myasthenia gravis

 

Control group

TPE group

Test value

P value

Sig.

No.= 17

No.= 81

Initial QMG score

Mean ± SD

Range

24.12 ± 2.00

25.64 ± 3.95

−1.547a

0.125

NS

QMG score after 1 month

Mean ± SD

Range

21-27

18-34

7.818a

0.001

HS

QMG change

Median (IQR)

Range

26.35 ± 3.20

18.05 ± 4.12

−6.404b

0.001

HS

Initial QOL score

Mean ± SD

43.06 ± 2.66

46.47 ± 4.86

−2.797a

0.006

HS

Range

38-47

36-57

QOL score after 1 month

Mean ± SD

46.12 ± 4.31

38.36 ± 6.69

4.579a

0.0001

HS

Range

38-52

25-54

QOL change

Median (IQR)

4.76 (0-13.95)

−15.38 (−27.08-−9.09)

−6.091b

0.0001

HS

Range

−5-23.81

−50-8.16

  1. NS non-significant, S significant, HS highly significant, TPE therapeutic plasmapheresis, SD standard deviation, QOL quality of life
  2. aIndependent t test
  3. bMann-Whitney test