Skip to main content
. 2013 Aug 13;48(3):257–262. doi: 10.1016/j.rboe.2012.08.002

Table 6.

Drain volume and deltas of the laboratory variables according to the drain opening time (12 h and 6 h).

Time of 12 h
Time of 6 h
Basal Variable Mean ± SD Median Mean ± SD Median p-valuea
Drain volume (mL) 158.6 ± 98.5 150 230,7 ± 99,9 250 0,0003
Delta of hematocrit -8,9 ± 4,5 -8,9 -8,7 ± 4,5 -11 0,62
Delta of hemoglobin -3,0 ± 1,7 -3,4 -2,7 ± 1,5 -2,7 0,39
Delta of red blood cells -1,0 ± 0,6 -1,0 -1,0 ± 0,6 -1,1 0,90

SD: standard deviation. aMann-Whitney.