Table 2. Brain injury measures of all included children, categorised by hand preference.
| Total | NRH | RH | p | |||
|---|---|---|---|---|---|---|
| (nᵃ = 179) | (nᵃ = 41) | (nᵃ = 138) | ||||
| Combined brain injury1 | n (%) | 81 (47.4) | 15 (37.5) | 66 (50.4) | 0.153 | |
| Focal lesions total2 | n (%) | Total | 75 (43.6) | 15 (37.5) | 60 (45.5) | 0.374 |
| L or L>R | 27 (15.7) | 5 (12.5) | 22 (16.7) | 1.000 | ||
| R or L<R | 15 (8.7) | 3 (7.5) | 12 (9.1) | |||
| L = R | 33 (19.2) | 7 (17.5) | 26 (19.7) | |||
| IVH grade | IVH total | Total | 72 (40.2) | 15 (36.6) | 57 (41.3) | 0.588 |
| L or L>R | 27 (15.1) | 5 (12.2) | 22 (15.9) | 0.931 | ||
| R or L<R | 15 (8.4) | 3 (7.3) | 12 (8.7) | |||
| L = R | 30 (16.8) | 7 (17.1) | 23 (16.7) | |||
| IVH grade 1 or 2, n (%) | Total | 63 (35.2) | 13 (31.7) | 50 (36.2) | 0.594 | |
| L or L>R | 23 (12.8) | 4 (9.8) | 19 (13.8) | 0.920 | ||
| R or L<R | 12 (6.7) | 3 (7.3) | 9 (6.5) | |||
| L = R | 28 (15.6) | 6 (14.6) | 22 (15.9) | |||
| IVH grade 3 or 4, n (%) | Total | 9 (5.0) | 2 (4.9) | 7 (5.1) | 1.000 | |
| L or L>R | 4 (2.2) | 1 (2.4) | 3 (2.2) | 0.667 | ||
| R or L<R | 3 (1.7) | 0 (0.0) | 3 (2.2) | |||
| L = R | 2 (1.1) | 1 (2.4) | 1 (0.7) | |||
| CBH severity1 | CBH total | Total | 11 (6.4) | 3 (7.5) | 8 (6.1) | 0.720 |
| L or L>R | 1 (0.6) | 1 (2.5) | 0 (0.0) | 0.055 | ||
| R or L<R | 1 (0.6) | 1 (2.5) | 0 (0.0) | |||
| L = R | 9 (5.3) | 1 (2.5) | 8 (6.1) | |||
| ≥6 punctate lesions, n (%) | L = R | 8 (4.7) | 1 (2.5) | 7 (5.3) | 0.683 | |
| Large unilateral bleeding, n (%) | Total | 2 (1.2) | 2 (5.0) | 0 (0.0) | 0.054 | |
| L or L>R | 1 (0.6) | 1 (2.5) | 0 (0.0) | 1.000 | ||
| R or L<R | 1 (0.6) | 1 (2.5) | 0 (0.0) | |||
| Large bilateral bleeding, with or without vermis involvement, n (%) | L = R | 1 (0.6) | 0 (0.0) | 1 (0.8) | 1.000 | |
| Global lesions total3 | n (%) | 25 (15.0) | 4 (10.0) | 21 (16.5) | 0.312 | |
| PHVD | Surgical intervention, n (%) | 9 (5.0) | 2 (4.9) | 7 (5.1) | 1.000 | |
| Kidokoro global score3 | No or mild, n (%) | 146 (87.4) | 36 (90.0) | 110 (86.6) | 0.629 | |
| Moderate, n (%) | 18 (10.8) | 3 (7.5) | 15 (11.8) | |||
| Severe, n (%) | 3 (1.8) | 1 (2.5) | 2 (1.6) | |||
| Kidokoro white matter score3 | No or mild, n (%) | 137 (82.0) | 35 (87.5) | 102 (80.3) | 0.481 | |
| Moderate, n (%) | 23 (13.8) | 3 (7.5) | 20 (15.7) | |||
| Severe, n (%) | 7 (4.2) | 2 (5.0) | 5 (3.9) | |||
| Kidokoro gray matter score3 | No or mild, n (%) | 131 (78.4) | 27 (67.5) | 104 (81.9) | 0.138 | |
| Moderate, n (%) | 24 (14.4) | 8 (20.0) | 16 (12.6) | |||
| Severe, n (%) | 12 (7.2) | 5 (12.5) | 7 (5.5) | |||
| Kidokoro deep gray matter score3 | No or mild, n (%) | 165 (98.8) | 39 (97.5) | 126 (99.2) | 0.423 | |
| Moderate, n (%) | 1 (0.6) | 1 (2.5) | 0 (0.0) | |||
| Severe, n (%) | 1 (0.6) | 0 (0.0) | 1 (0.8) | |||
| Kidokoro cerebellar score3 | No or mild, n (%) | 148 (88.6) | 38 (95.0) | 110 (86.6) | 0.064 | |
| Moderate, n (%) | 13 (7.8) | 0 (0.0) | 13 (10.2) | |||
| Severe, n (%) | 6 (3.6) | 2 (5.0) | 4 (3.1) |
Abbreviations: NRH, non-right-handedness; RH, right-handedness; IVH, intraventriculair haemorrhage; CBH, cerebellar haemorrhage; PHVD, post-haemorrhagic ventricular dilatation; L, left; R, right.
For some variables, the total sample size is smaller than the reported original sample due to missing values: 1 n = 171, 2 n = 172, 3 n = 167.