population was reported as predominantly White in both
cohorts. Diagnoses were also well matched between subjects
born with a congenital heart defect and subjects with
acquired heart disease. The level of significance was set at
p b 0.05 for tests of association. In comparing the two
cohorts, both age at admission and admission status (defined
as elective versus emergent) were found to be significantly
different. In comparing the 47 PICC lines between the
two cohorts, 8 (28%) in the heparin group required
antithrombolytic intervention compared to 9 (50%) in the
non heparin group, p = 0.08 (Table 2). For the PICC lines in
the heparin group (n = 29) the median duration of patency
was 24 days (with a range of 4–93 days) compared to the
PICC lines in the non heparin group (n = 18) in which the
median duration of patency was 16 days (with a range of
3–49 days), p = 0.07.
0.39
1 16 (73) 6 (55)
2 5 (23) 4 (36)
3 1 (5) 0 (0)
4 0 (0) 1 (9)
⁎ Indicates statistical significance: p b 0.05