Age group | | | |
⩾10 | 133 (87.5) | 219 (49.8) | χ21 = 66.71, p<0.0001 |
<10 | 19 (12.5) | 221 (50.2) | |
Sex | | | |
M | 134 (88.2) | 290 (65.9) | χ21 = 27.51, p<0.0001 |
F | 18 (11.8) | 150 (34.1) | |
Mechanism | | | |
Contact | 131 (86.2) | 139 (31.6) | χ21 = 135.73, p<0.0001 |
Fall | 21 (13.8) | 301 (68.4) | |
Place of injury | | | |
Home | 2 (1.3) | 147 (33.4) | χ22 = 80.15, p<0.0001 |
School | 24 (15.8) | 99 (22.5) | |
Others | 126 (82.9) | 194 (44.1) | |
Concussion severity | | | |
Severe | 9 (6.0) | 10 (2.3) | χ22 = 22.38, p<0.0001 |
Moderate | 56 (37.0) | 92 (21.0) | |
Mild | 86 (57.0) | 336 (76.7) | |
Multiple injury | | | |
Yes | 39 (25.7) | 72 (16.4) | χ21 = 6.41, p = 0.01 |
No | 113 (74.3) | 368 (83.6) | |
Imaging | | | |
Yes | 45 (29.6) | 89 (20.3) | χ21 = 5.61, p = 0.02 |
No | 107 (70.4) | 350 (79.7) | |
Vital sign | | | |
Yes | 137 (91.9) | 395 (90.0) | χ21 = 0.51, p = 0.48 |
No | 12 (8.9) | 44 (10.0) | |
Assess cognitive dysfunction | | | |
Yes | 50 (32.9) | 258 (58.9) | χ21 = 30.59, p<0.0001 |
No | 102 (67.1) | 180 (41.1) | |
Admission to hospital | | | |
Yes | 59 (38.8) | 84 (19.1) | χ21 = 23.99, p<0.0001 |
No | 93 (61.2) | 356 (80.9) | |
Re-presentation | | | |
Yes | 1 (0.7) | 10 (2.3) | χ21 = 1.62, p = 0.20 |
No | 152 (99.3) | 429 (97.7) | |
Instruction | | | |
Yes | 148 (97.4) | 423 (96.4) | χ21 = 0.35, p = 0.55 |
No | 4 (2.6) | 16 (3.6) | |
Education | | | |
Yes | 119 (79.3) | 283 (65.1) | χ21 = 10.58, p = 0.001 |
No | 31 (20.7) | 152 (34.9) | |
Return to activity instruction | | | |
Yes | 37 (24.7) | 180 (42.9) | χ21 = 15.51, p<0.0001 |
No | 113 (75.3) | 240 (57.1) | |