Table 1.
Patient and MRI characteristics (n = 91)
| Characteristic | Freq. | (%) | (Range) |
|---|---|---|---|
| Age at presentation (years; mean ± SD) | 7.6 | ± 1.5 | (4.0–9.8) |
| Sex (% female) | 8 | (9%) | |
| Height (cm; mean ± SD; n = 90)* | 130 | ± 10.8 | (100.5–169.0) |
| Weight (kg; mean ± SD; n = 89)* | 29.3 | ± 10.2 | (13.0–81.5) |
| BMI percentile (mean ± SD; n = 89)* | 57.3 | ± 29.4 | (2.4–99.8) |
| Obese | 12 | (14%) | |
| Overweight | 8 | (9%) | |
| Normal weight | 67 | (75%) | |
| Underweight | 2 | (2%) | |
| Comorbidity (patients with ≥ 1 comorbidity) | 35 | (39%) | |
| Leg limb discrepancy | 10 | (11%) | |
| Neurologic | 6 | (7%) | |
| Spondylolisthesis | 1 | (1%) | |
| Cardiac | 3 | (3%) | |
| Developmental dysplasia of hip | 10 | (11%) | |
| Other orthopaedica | 5 | (6%) | |
| Respiratory | 2 | (2%) | |
| Gastrointestinal | 2 | (2%) | |
| Renal | 1 | (1%) |
| MRI Characteristics | Freq. | (%) | |
|---|---|---|---|
| Abnormal MRI (n = 83)* | 19 | (23%) | |
| Intraspinal pathology | 14 | (15%) | |
| Syrinx | 5 | (5%) | |
| Fatty filum | 3 | (3%) | |
| Prominent central canal | 2 | (2%) | |
| Low conus | 2 | (2%) | |
| Hydrosyringomyelia | 1 | (1%) | |
| Vascular anomaly | 1 | (1%) | |
| Other | 5 | (5%) | |
| Spondylolisthesis | 2 | (2%) | |
| Renal anomaly | 1 | (1%) | |
| Thyroid mass | 1 | (1%) | |
| Lumbar facet arthropathy | 1 | (1%) |
*The number in parentheses (n) indicates the number of patients with available data for the given characteristic
SD standard deviation, BMI body mass index
a1 case of Osgood-Schlatters diease and 1 case of osteopenia
bNeurologic comorbidities included: epilepsy (n = 3), autism spectrum disorder (n = 3), conductive hearing loss (n = 1), depression / anxiety (n = 1), Duane syndrome (n = 1), and epidural hematoma (n = 1)