Table 4.
Comparison of normalized PCSI symptom severity scores by age group.
| Symptoms | 5–9 Years | 10–12 Years | 13–18 Years | p-Values | |||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | ||
| Headaches | 52.6 | 34.8 | 59.4 | 35.5 | 47.5 | 28.4 | <0.001 a,b |
| Nausea | 24.5 | 32.0 | 24.2 | 32.0 | 18.0 | 25.2 | <0.001 b,c |
| Light | 34.7 | 35.3 | 45.4 | 39.2 | 39.0 | 32.4 | <0.001 a,b |
| Noise | 37.2 | 38.5 | 36.2 | 38.1 | 29.4 | 30.7 | <0.001 b,c |
| Dizziness | 21.2 | 28.5 | 33.4 | 33.7 | 27.7 | 28.3 | <0.001 a,b,c |
| Balance | 18.2 | 31.0 | 23.1 | 30.9 | 20.8 | 25.4 | 0.089 |
| Vision | 14.5 | 26.2 | 18.2 | 29.6 | 17.6 | 26.0 | 0.377 |
| Difficulty in concentrating | 30.4 | 32.1 | 39.9 | 37.5 | 40.3 | 32.9 | 0.002 a,c |
| Difficulty in remembering | 18.2 | 25.8 | 23.8 | 31.5 | 24.3 | 29.5 | 0.084 |
| Slowed down | 21.5 | 26.7 | 28.9 | 29.9 | 30.6 | 30.9 | 0.004 a,c |
| Mentally foggy | 24.0 | 32.3 | 33.3 | 35.8 | 33.2 | 31.9 | 0.009 a,c |
| Drowsiness | 33.5 | 35.6 | 45.8 | 39.7 | 31.8 | 31.6 | <0.001 a,b |
| Fatigue | 35.5 | 35.6 | 46.1 | 39.4 | 37.5 | 32.5 | <0.001 a,b |
| Irritability | 32.0 | 37.0 | 33.5 | 37.3 | 27.2 | 31.3 | <0.001 b |
| Sadness | 18.6 | 29.7 | 16.2 | 28.7 | 13.6 | 24.0 | 0.016 |
| Nervousness | 21.9 | 32.8 | 22.2 | 32.0 | 14.1 | 24.4 | <0.001 b,c |
Note: a denotes a significant difference was detected between 5–9- and 10–12-year-olds; b denotes a significant difference was detected between 10–12- and 13–18-year-olds; and c denotes a significant difference was detected between 5–9- and 13–18-year-olds. SD denotes standard deviation.