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Table 2 Procedural characteristics among groups

From: RETRACTED ARTICLE: Impact of guidewire selection and operator expertise on radiation exposure in transradial angiography

  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