Table 3

Comparison of median haemoglobin decline by medications

MedicationN (%)Median haemoglobin decline (g/L) (95% CI)P value
ClopidogrelAdministered32 (11)4 (−0.55 to 0.15)0.30
Not administered260 (89)2 (−0.28 to −0.05)
AspirinAdministered74 (25)2 (−0.33 to −0.007)0.88
Not administered281 (75)2 (−0.32 to −0.017)
Unfractionated heparinAdministered146 (50)2 (−0.359 to −0.036)0.73
Not administered146 (50)2 (−0.293 to 0.011)
LovenoxAdministered17 (5.8)4.5 (−0.862 to 0.719)0.40
Not administered275 (94.2)2(−0.280 to −0.060)
Novel anticoagulantAdministered24 (8.2)2.5 (−0.43 to −0.003)0.86
Not administered268 (91.8)2 (−0.28 to −0.04)
WarfarinAdministered11 (3.8)2 (−0.969 to 0.149)0.58
Not administered281 (96.2)2 (−0.270 to −0.042)