From: A randomized controlled trial on effects of different hemostatic sponges in posterior spinal fusion surgeries
Variable
Group A
Group B
Group C
Volume of Drainage in 24 h (ml)*
187.9 ± 82
185.2 ± 68
230.8 ± 75
Volume of Drainage in the second 24 h (ml)
53.7 ± 3.8
63.3 ± 8.9
63.5 ± 14.2
Total volume of drainage (ml)*
231.5 ± 18.1
248.5 ± 18.8
318.5 ± 26.7