Table 1:

Baseline demographics

Demographics
Total MR venograms Included429
Total patients included429
No. of MR venograms with IV contrast (%)327 (76.2)
Age categories (No.) (%) (yr)
 025 (5.8)
 1–524 (5.6)
 6–1021 (4.9)
 11–1570 (16.3)
 16–20289 (67.4)
Mean age (SD) (yr)15.1 (5.9)
Male (No.) (%)129 (30.0)