Table 4.
Stratified analysis of the association of the length of extravasation with complications
| GUIs | LOE (day) | Complication | Total | P value | |
|---|---|---|---|---|---|
|
| |||||
| No | Yes | ||||
| Grade 1 | =1 | 13 (68.4) | 6 (31.6) | 19 | 0.021 |
| >1 | 2 (20) | 8 (80) | 10 | ||
| Grade 2 | =1 | 10 (38.5) | 16 (61.5) | 26 | 0.512 |
| >1 | 4 (26.7) | 11 (73.3) | 15 | ||
| Grade 3 | =1 | 2 (100) | 0 (0) | 2 | 0.057 |
| >1 | 2 (15.4) | 11 (84.6) | 13 | ||
| Total | =1 | 25 (53.2) | 22 (46.8) | 47 | 0.003 |
| >1 | 8 (21.1) | 30 (78.9) | 38 | ||
Abbreviations: GUIs, grades of US images; LOE, length of extravasation. Notes: Numbers are expressed as n (%).