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. 2002 Jun 1;324(7349):1299. doi: 10.1136/bmj.324.7349.1299

Table 4.

 Secondary outcomes (n=84 in each group)

Control
Intraoperative cell salvage
Combined treatment
Kruskal-Wallis P value
Mean mediastinal drainage (ml/hour):
 Mean (SD) 39.5 (18.8) 41.0 (19.9) 42.4 (23.6) 0.580
 Median 36.0 37.7 37.9
 Interquartile range 26.4-46.6 28.5-46.7 27.9-52.0
 Range (min-max)  7.1-90.8  15.8-143.0  13.7-195.0
Total mediastinal drainage (ml):
 Mean (SD) 795.8 (443.9) 821.6 (477.3) 851.8 (526.2) 0.644
 Median 700.0 760.0 695.0
 Interquartile range 505-908 525-920  525-1040
 Range (min-max)  120-2180  260-3420  260-4100
Time in intensive care (hours):
 Median 22.9 22.7 23.3 0.249
 Interquartile range 21.8-24.5 22.0-24.6 22.5-25.0
 Range (min-max) 15.5-72.9  18.3-166.3  16.6-122.0
Length of hospital stay (hours):
 Median 168.9 160.7 170.4 0.724
 Interquartile range 140.3-219.3 145.5-198.8 147.1-221.6
 Range (min-max) 101.2-989.0 122.7-766.9 103.6-773.4