Table 2 Summary of the demographics of the four subtypes in AALS cohort

From: Machine learning-based proteomics profiling of ALS identifies downregulation of RPS29 that maintains protein homeostasis and STMN2 level

 

ProS1

ProS2

ProS3

ProS4

p value

Donors (number)

21

40

48

60

-

Age at Symptom Onset(years)

62(31–75)

56(25–79)

52(25–73)

54(35–73)

0.0064

unknown

4.70%

-

4.20%

1.70%

-

Age at Sample Collection

64(33–77)

59(49–79)

56(29–76)

58(43–82)

0.0382

unknown

 

2.5%

22.9%

20%

 

iPSC cell origin

 T cell

52.3%

62.5%

47.9%

55%

0.8321

 Non-T cell

38%

37.5%

52.1%

45%

0.7385

Disease duration (years)

3.1(1–6)

3.2(1–9)

4.4(2–20)

5.5(1–16)

0.2462

unknown

42.80%

50%

58.30%

56.60%

-

Sex female

38%

90%

29.10%

23.30%

2.91e-06

Site of Onset

 Limb

52.30%

65%

56.20%

75%

0.5699

 Bulbar

33.30%

27.30%

20.80%

11.60%

0.1811

 Multiple

14.50%

7.50%

18.70%

10%

0.4456

 Axial

-

-

-

1.60%

-

 Other

-

-

4.10%

1.60%

-

ALSFRS-R Progression Slope

−0.69(−0.56 ~ 0.33)

−0.71(−1.88 ~ 0.03)

−0.69(−2.93 ~ 0.11)

−0.46(−1.75 ~ 0.25)

0.3109

unknown

42.8%

42.5%

27.0%

38.3%

-

CBS Progression Slope

0.118(−0.53 ~ 0.66)

−0.04(−1.5 ~ 0.875)

0.07 (−0.34 ~ 0.58)

−0.02(−0.48 ~ 0.34)

0.5281

unknown

61.9%

60.0%

60.4%

70.0%

-

Self reported mutations

 C9orf72

14.3%

17.5%

8.3%

3.3%

0.1277

 TARDBP

-

-

2.0%

-

-

 SOD1

4.7%

-

2.0%

8.3%

0.3791

 others

4.7%

-

2.0%

3.3%

0.8363

 Unknown

76.3%

82.5%

85.7%

85.1%

-

C9orf72 repeats

 normal repeats(≤25)

19.1%

22.5%

12.6%

16.7%

0.7234

 high repeats(>25)

4.8%

17.5%

2.0%

0.0%

0.002

 NA

76.1%

60.0%

85.4%

83.3%

-

  1. Continuous variables are presented as medians and ranges. Categorical variables were compared using a two-tailed chi-square test. Continuous variables were compared using the One-way ANOVA. Bold values indicate p < 0.05.