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. 2023 Apr 17;13(5):e2997. doi: 10.1002/brb3.2997

TABLE 1.

The demographic, clinical and laboratory characteristics of SMA, ALS, and control

SMA

(n = 10)

ALS

(n = 10)

Control

(n = 10)

p Value p’ Value P” Value
Age (years) 26.80 ± 6.37 50.00 ± 11.32 46.40 ± 11.18 <.00 1 <.001 .483
Sex (male) 8(80%) 6 (60%) 7 (70%) .329 .606 .639
Disease duration (months) 275.0 (138.0, 343.3) 14.0 (7.0, 29.0) <.001
ALSFRS‐R 32.60 ± 10.28 38.40 ± 5.97 .144
DPR 0.06 (0.03, 0.09) 0.47 (0.16, 1.93) <.001
Laboratory parameters
Serum CK (U/L) 91.0 (55.3, 811.0) 257.0 (110.3, 329.3) .266
Serum Cr (μmol/L) 22.5 (11.0, 36.5) 56.50 (45.75, 67.75) .001
Serum NFL (pg/mL) 8.19 (4.03, 30.18) 22.44 (12.50, 32.72) 2.35 (0.23, 6.49) .193 .092 .001
Serum pNFH (ng/mL) 0.01 (0.01, 0.09) 0.01 (0.01, 0.07) 0.01 (0.01, 0.01) .803 .059 .031
CSF WBC 0.5 (0, 2.5) 2.0 (0.8, 2.5) .251
CSF Pro (g/L) 0.32 (0.24, 0.44) 0.42 (0.38, 0.69) .086
CSF NFL (pg/mL) 596.97 (395.26, 699.70) 6582.05 (2657.83, 10000.00) <.001
CSF pNFH (ng/mL) 0.20 (0.18, 0.24) 2.07 (0.46, 3.75) .009

Note: Continuous data are given as mean ± SD or median (IQR) as appropriate. p represent the value of comparison between ALS and SMA; p’ represent the value of comparison between SMA and normal control; “p” represent the value of comparison between ALS and normal control.P‐value<0.0 is shown in bold.

ALSFRS‐R, revised ALS functional rating scale; DPR, disease progression rate; CK, creatine kinase; Cr, creatinine; CSF, cerebrospinal fluid; NFL, neurofilament light chain; pNFH, phosphorylated neurofilament heavy chain.