Compared with the PKRP group , the TmLRP-TT group had a statistically lower hemoglobin drop ( 0.86 0.42 vs. 1.34 1.04 g/dl , P < 0.01 ) , shorter catheterization time ( 1.91 0.85 vs. 2.36 0.74 days , P < 0.01 ) and hospital stay ( 3.80 0.46 vs. 5.02 0.54 days , P < 0.01 ) .