Values

Group A

Group B

Group C

Group D

pvalue



(n = 60)

(n = 60)

(n = 60)

(n = 60)
 
Volume of drained blood

1182 ± 411

724 ± 246

821 ± 337

526 ± 222

< 0.001^{a}

(ml)^{*}

(420–2260)

(230–1330)

(230–2020)

(180–960)
 
Decreasing Hb at 12 hours

3.3 ± 0.9

2.1 ± 0.6

2.8 ± 0.8

1.8 ± 0.7

< 0.05^{b}

(g/dl)^{*}

(1.35.3)

(0.93.8)

(0.94.4)

(0.43.6)
 
Number of patients requiring blood transfusion

53 (88.3%)

34 (56.7%)

49 (81.7%)

23 (38.3%)

< 0.05^{c}

PRC transfusion (unit)^{*}

1.8 ± 1.0

0.7 ± 0.7

1.3 ± 0.9

0.4 ± 0.5

< 0.05^{d}


(0–4)

(0–2)

(0–3)

(0–2)
 
 * Data was presented as mean ± standard deviation and range.

^{a} Statistical difference among all groups (except between group B and C, p = 0.37).

^{b} Statistical difference among all groups (except between group B and D, p = 0.07).

^{c} Statistical difference among all groups (except between group A and C, B and D).

^{d} Statistical difference among all groups (except between group A and C, p = 0.05).
 Hb = hemoglobin, PRC = packed red cell.