Table 2 Procedural characteristics among groups
| Â | Non-hydrophilic | Hydrophilic | Pvalue | Well-experienced | Less-experienced | Pvalue |
|---|---|---|---|---|---|---|
(n = 518) | (n = 517) | (n = 716) | (n = 319) | |||
Contrast volume, ml | 72.12 ± 11.45 | 72.51 ± 11.23 | 0.579 | 71.48 ± 11.17 | 74.19 ± 11.51 | <0.001 |
Cost, yuan | 1316 [1287,2353] | 1443 [1427,1928] | <0.001 | 1375 [1287,2344] | 1388 [1287,2353] | 0.124 |
Guidewire exchange, n (%) | 22 (4.2) | 3 (0.6) | <0.001 | 13 (1.8) | 12 (3.8) | 0.027 |
Switchover, n (%) | 18 (3.5) | 16 (3.1) | 0.455 | 20 (2.5) | 14 (4.3) | 0.542 |
Radial artery spasm, n (%) | 36 (6.9) | 31 (6.0) | 0.614 | 38 (5.3) | 29 (9.1) | 0.028 |
Hematoma, n (%) | 16 (3.1) | 30 (5.8) | 0.036 | 27 (3.8) | 19 (6) | 0.141 |
Bleeding, n (%) | 21 (4.1) | 30 (5.8) | 0.2 | 33 (4.6) | 18 (5.6) | 0.534 |
Guidewire advance into other vessel, n (%) | 1 (0.2) | 13 (2.5) | 0.001 | 9 (1.3) | 5 (1.6) | 0.772 |
Other complications, n (%) | 0 | 0 | 1 | 0 | 0 | 1 |