Table 2

Volume of fluid in the operative bed and the volume of drained fluid


Pressure dressing (n = 57)
Non-pressure dressing (n = 59)
p-value
95% Confidence Interval of the difference

Volume of fluid in operative bed (mL)
0.1954
0.4083
0.150a
-0.69–0.26a
Volume of drains fluid




     Day 1 (mL)
52.07
53.98
0.156a
-10.01–6.18a
     Day 2 (mL)
7.28
7.03
0.877a
-3.75–4.24a
     Day 3 (mL)
0.53
1.36
0.087a
-2.73–1.07a
     Total (mL)
59.88
62.63
0.798a
-13.82–8.32a

P < 0.05 was considered significant

a Calculated with unpaired t-test

Piromchai et al. BMC Ear, Nose and Throat Disorders 2008 8:1   doi:10.1186/1472-6815-8-1