Appropriateness of PICC use at participating hospitals
| Appropriateness | Overall | Hospital A | Hospital B | Hospital C | Hospital D | Hospital E | P value* |
| Appropriate | 1848 (53) | 383 (49) | 607 (61) | 409 (56) | 233 (48) | 216 (44) | <0.001 |
| Inappropriate | 573 (16) | 154 (20) | 158 (16) | 92 (13) | 99 (21) | 70 (14) | <0.001 |
| Uncertain | 1058 (30) | 250 (32) | 228 (23) | 229 (31) | 150 (31) | 201 (41) | <0.001 |
PICC placements were categorised according to the Michigan Appropriateness Guide for Intravenous Catheter (MAGIC) appropriateness criteria.
*χ2 tests were used to examine the statistical significance of the differences across hospitals.
PICC, peripherally inserted central catheter.