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Table 3 Cognitive profile and academic estimated performance depending on JIA subtypes

From: Neuropsychological functioning and academic abilities in patients with juvenile idiopathic arthritis

 

Oligoarticular JIA

Polyarticular JIA

Enthesitis-related JIA

Deficit cut-off score

Oligoarticular vs. Polyarticular vs. Enthesitis-related JIA*

Mean (range)

Mean (range)

Mean (range)

Neuropsychological functioning

General intellectual efficiency (raw score)

  Raven’s Progressive Matrices

37.86 (23–47)

32.13 (14–57)

32.13 (14–57)

P10

X2 = 4.83, p > .05

Main cognitive functions (standard range 0–19)

  Attention and executive functions

   Auditory Attention

11.00 (8–14)

8.57 (7–12)

9.00 (5–12)

7

X2 = 2.95, p > .05

   Response Set

11.60 (11–13)

12.57 (12–14)

12.00 (9–14)

7

X2 = 1.24, p > .05

   Word List Interference – Recall

8.00 (5–10)

9.86 (7–14)

7.00 (1–12)

7

X2 = 3.74, p > .05

   Narrative Memory – Free recall

7.00 (4–11)

8.00 (2–12)

9.83 (6–16)

7

X2 = 3.20, p > .05

  Language functions

   Speeded Naming

10.57 (7–14)

10.25 (8–14)

11.33 (8–15)

7

X2 = 0.77, p > .05

   Comprehension of Instructions

10.86 (9–15)

10.75 (9–13)

11.33 (9–14)

7

X2 = 2.95, p > .05

  Memory and learning functions

   Narrative Memory – Cued recall

5.86 (3–10)

5.50 (3–9)

4.33 (3–7)

7

X2 = 1.98, p > .05

   Memory for Faces

10.14 (7–14)

10.00 (6–15)

10.67 6–14)

7

X2 = 0.92, p > .05

   Memory for Faces Delayed

9.29 (4–15)

10.75 (6–15)

9.50 (5–15)

7

X2 = 2.77, p > .05

  Visual-spatial treatments

   Geometric Puzzle

14.00 (9–18)

10.38 (7–15)

12.17 (9–14)

7

X2 = 4.92, p > .05

  Social cognition

   Theory of Mind

9.43 (4–16)

7.38 (1–11)

9.83 (1–16)

7

X2 = 1.11, p > .05

   Affects Recognition

10.71 (7–14)

7.50 (1–14)

10.50 (7–13)

7

X2 = 2.22, p > .05

Implicit memory (composite score)

  Word Completion Test

3.29 (−1–7)

2.88 (− 1–6)

3.67 (2–5)

X2 = 0.21, p > .05

  Fragmented Picture Test

7.57 (0–12)

13.38 (2–29)

8.83 (2–15)

X2 = 4.54, p > .05

Estimated academic performance

 Reading skills (z score)

  Alouette-R

−0.35 (− 1.7–0.86)

− 0.40 (− 1.17–0.68)

0.10 (− 1.70–0.96)

- 1, 65

X2 = 1.68, p > .05

 Mathematical skills (standard range 0–19)

  Arithmetic

11.14 (8–14)

9.88 (4–13)

7.17 (3–10)

7

X2 = 8.31, p < .05

  1. *Statistical analysis was performed using a non-parametric test, Kruskal-Walllis, due to the small sample size of the JIA groups. If the p-value is below .05, the mean difference between the two groups is statistically significant