Skip to main content

Table 2 ECAS outcome scores in treatment-naive patients with SMA

From: Cognitive performance of adult patients with SMA before and after treatment initiation with nusinersen

ECAS outcome scores – V0

Median (Range)

SMA type 2

(n = 9)

SMA type 3

(n = 14)

SMA type 2 vs. SMA type 3

Language (max. 28)

28.0 (27–28)

27.0 (25–28)

U= 22.5; Z = − 2.728; p= 0.0091r= 0.57

below cut-off, n (%)

0 (0.0)

2 (14.3)

p = 0.5022; OR = 1.17

Verbal Fluency (max. 24)

14.0 (8–20)

12.0 (10–22)

U = 56.5; Z = − 0.421; p = 0.6881; r = 0.09

below cut-off, n (%)

3 (33.3)

4 (28.6)

p = 0.9992; OR = 0.80

Executive Functions (max. 48)

40.0 (28–43)

38.5 (28–44)

U = 55.0; Z = − 0.506; p = 0.6431; r = 0.11

below cut-off, n (%)

2 (22.2)

2 (14.3)

p > 0.9992; OR = 0.58

Memory (max. 24)

15.0 (12–19)

17.0 (11–21)

U = 42.5; Z = − 1.301; p = 0.2011; r = 0.27

below cut-off, n (%)

0 (0.0)

0 (0.0)

p > 0.9992

Visuospatial (max. 12)

12.0 (12)

12.0 (11–12)

U = 54.0; Z = − 1.161; p = 0.6001; r = 0.24

below cut-off, n (%)

0 (0.0)

1 (7.1)

p > 0.9992; OR = 1.01

ALS-specific (max. 100)

84.0 (66–90)

78.0 (64–89)

U = 51.0; Z = − 0.757; p = 0.4771; r = 0.16

below cut-off, n (%)

2 (22.2)

7 (50.0)

p > 0.9992; OR = 1.25

Non-ALS-specific (max. 36)

27.0 (24–31)

29.0 (23–32)

U = 43.0; Z = − 1.270; p = 0.2241; r = 0.26

below cut-off, n (%)

0 (0.0)

0 (0.0)

p > 0.9992

ECAS total (max. 136)

111.0 (91–116)

105.5 (92–119)

U = 56.0; Z = − 0.442; p = 0.6881; r = 0.09

below cut-off, n (%)

2 (22.2)

1 (7.1)

p = 0.5382; OR = 0.27

  1. ALS: amyotrophic lateral sclerosis; ECAS: Edinburgh Cognitive and Behavioral ALS Screen; SMA: spinal muscular atrophy; SD: standard deviation; n: number; OR: odds ratio; V0: Baseline visit before treatment initiation; 1calculated by Mann-Whitney U-test; 2calculated by Fisher’s exact test; p values < 0.05 considered statistically significant and are marked bold; Cohen’s effect sizes of r = 0.10, r = 0.30 and r = 0.50 as threshold for small, medium and large effects respectively [15]