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Table 1 Baseline characteristics

From: Serum creatinine to cystatin C ratio as monitoring biomarker in Chinese adult spinal muscular atrophy: a prospective cohort study

Variable

Patients with SMA (n = 28)

Age (years)

25.29 ± 8.95

Sex (male/female)

16/12

BMI (kg/m2)

19.95 ± 3.75

Disease duration (years)

19.46 ± 7.98

SMA type (3/4)

27/1

SMN2 copy number (3/>3)

11/17

 Number = 3

11

 Number = 4

16

 Number = 5

1

Ambulant (yes/no)

16/12

HFMSE

34.75 ± 24.78

RULM

31.50 (14.00-35.75)

6MWT (m)

16, 300.13 ± 151.15

BI

67.50 (36.25–83.75)

FVC (n, %)

15, 86.80 ± 15.90

CK (u/L)

196.00 (87.25–358.50)

Log10 CK (u/L)

2.34 ± 0.41

Cr (umol/L)

26.18 ± 11.79

Cystatin (mg/L)

0.89 ± 0.11

CCR

29.40 ± 12.57

  1. BMI: Body Mass Index; HFMSE: Hammersmith Functional Motor Scale Expanded (range 0–66);
  2. RULM, Revised Upper Limb Module (range 0–37); 6MWT: Six Minute Walk Test;
  3. BI: Barthel Index (0-100); CK: serum creatine kinase; Cr, serum creatinine; CCR: the creatinine to cystatin ratio