Factors | Variables | Assignment |
---|---|---|
CRBSI | Y | Yes = 1, no = 2 |
Birth weight (g) | X1 |  ≤ 1500 = 1, > 1500 = 2 |
Durations of PICC stay (days) | X2 |  ≥ 21 = 1, < 21 = 2 |
5-min Apgar score | X3 |  ≤ 7 = 1, > 7 = 2 |
Femoral vein insertion of PICC | X4 | yes = 1, no = 2 |