Table 2 Descriptive statistics and percent prevalence of impairment status on the stroke-specific Oxford Cognitive Screen subtasks (italicized) and in-depth neuropsychological assessments per domain at Wave 1 (N = 98) and Wave 2 (N = 85) with 95% confidence intervals. Impairment scores are determined based on comparison to normative data in healthy adults

Domain-General Cognition

 OCS Tasks Impaired

0.90 (1.40)

45 (45.92 [36.1 – 55.8])

0.99 (1.33)

40 (47.06 [36.5 – 57.7])

-0.10

 MoCA (< 26)

23.56 (4.16)

64 (65.31 [55.9 – 74.7])

22.98 (4.51)

57 (67.06 [57.1 – 77.1])

0.28

 MoCA (< 22)

–

30 (30.61 [21.5 – 39.7])

–

29 (34.12 [24.0 – 44.2])

Language

 OCS Picture Naming

3.65 (0.59)

4 (4.1 [0.2 – 7.9])

3.71 (0.53)

3 (3.5 [-0.4 – 7.5])

–

 OCS Semantics

3 (0)

0 (0.0 [0 – 0])

2.99 (0.11)

1 (1.2 [-1.1 – 3.5])

–

 OCS Sentence Reading

14.62 (1.56)

7 (7.1 [2.0– 12.2])

14.59 (1.19)

9 (10.6 [4.0 – 17.1])

–

 Cookie Theft Complexity

0.81 (0.23)

1 (1.0 [-0.9 – 3.1])

1.22 (0.24)

1 (1.2 [-1.1 – 3.5])

-1.33

 Boston Naming Test

13.89 (1.79)

4 (4.1 [0.2 – 7.9])

–

–

–

 Letter Fluency Total

32.53 (14.94)

14 (14.3 [7.4 – 21.2])

32.69 (14.88)

9 (10.7 [4.1 – 17.3])

0.17

 Category Fluency Total

31.64 (10.00)

8 (8.2 [2.7 – 13.6])

32.51 (11.09)

7 (8.3 [2.5 – 14.2])

-0.04

Executive Function

 OCS Mixed Trails

10.78 (3.64)

14 (14.3 [7.4 – 21.2])

11.61 (2.17)

4 (4.7 [0.2 – 9.2])

–

 Trails A Accuracy

23.81 (0.63)

11 (11.3 [5.1 – 17.6])

23.48 (1.89)

8 (9.4 [3.2 – 15.6])

0.17

 Trails B Accuracy

18.54 (6.00)

28 (28.9 [19.9 – 37.8])

18.04 (5.55)

34 (40.0 [29.6 – 50.4])

0.14

 Hayling Test Total

12.03 (3.65)

30 (30.6 [21.5 – 39.7])

13.60 (3.93)

20 (23.5 [14.5 – 32.6])

-0.49

 OCS-Plus Mixed Trails

10.55 (4.16)

15 (15.5 [8.3 – 22.6])

10.61 (3.76)

23 (27.1 [17.6 – 36.5])

0.01

Memory

 Orientation

3.93 (0.39)

4 (4.1 [0.2 – 7.9])

3.91 (0.40)

5 (5.9 [0.9 – 10.9])

–

 Recall

2.57 (1.32)

–

2.74 (1.14)

–

–

 Recall + Recognition

3.71 (0.70)

5 (5.1 [0.8 – 9.5])

3.76 (0.55)

3 (3.5 [-0.4 – 7.5])

–

 Episodic Recognition

3.84 (0.40)

1 (1.0 [-0.9 – 3.0])

3.79 (0.41)

0 (0.0 [0 – 0])

–

 Digit Span Forwards

7.49 (2.33)

9 (9.3 [3.5 – 15.0])

7.25 (2.57)

7 (8.2 [2.4 – 14.1])

0.12

 Digit Span Backwards

5.90 (2.14)

4 (4.1 [0.2 – 7.9])

5.89 (2.36)

5 (5.8 [0.8 – 10.9])

0.04

 Logical Memory I

12.37 (4.46)

3 (3.1 [-0.3 – 6.5])

12.24 (4.50)

2 (2.4 [-0.8 – 5.6])

0.09

 Logical Memory II

10.67 (5.19)

9 (9.3 [3.5 – 15.0])

10.73 (4.96)

6 (7.1 [1.6 – 12.5])

0.03

 Picture Memory Test

9.93 (2.73)

26 (26.5 [17.8 – 35.3])

–

–

Visuospatial Attention

 Broken Hearts Accuracy

43.53 (7.88)

21 (21.4 [13.3 – 29.6])

43.76 (6.57)

23 (27.1 [17.6 – 36.5])

–

 Broken Hearts Time

126.73 (38.31)

–

130.33 (37.05)

–

–

 Egocentric Neglect

–

8 (8.2 [2.7 – 13.6])

–

7 (8.2 [2.4 – 14.1])

–

 Allocentric Neglect

–

8 (8.2 [2.7 – 13.6])

–

7 (8.2 [2.4 – 14.1])

–

 Star Cancellation Total

52.19 (5.70)

18 (18.6 [10.9 – 26.3])

52.76 (2.26)

14 (16.5 [8.6 – 24.4])

-0.12

Number Processing

 OCS Number Writing

2.85 (0.41)

12 (12.2 [5.8 – 18.7])

2.79 (0.56)

14 (16.5 [8.6 – 24.4])

–

 OCS Calculation

3.77 (0.49)

3 (3.1 [-0.4 – 6.5])

3.69 (0.51)

4 (4.7 [0.2 – 9.2])

–

Perceptuomotor Abilities

 OCS-Plus Figure Copy

54.99 (5.85)

6 (6.1 [1.4 – 10.9])

54.07 (5.19)

5 (5.9 [0.9 – 10.9])

0.17

 OCS-Plus Figure Recall

41.46 (10.57)

6 (6.1 [1.4 – 10.9])

39.81 (9.65)

9 (10.6 [4.1 – 17.1])

0.22

 ROCF Copy

26.68 (6.38)

10 (10.2 [4.2 – 16.2])

24.04 (6.35)

17 (20.2 [11.7 – 28.8])

0.69

 ROCF Recall

12.79 (7.35)

8 (8.3 [2.9 – 13.8])

12.42 (6.61)

4 (9.4 [3.2 – 15.6])

0.17