Table 3.

Pre-operative haemoglobin level and mean number of blood units transfused

Haemoglobin range (g/dl)	Mean blood Transfused (Units)	Number
< 10	4.00	1
10.0—11.0	3.50±2.12*	2
11.1—12.0	2.57±1.27	7
12.1—13.0	1.50±1.27	10
13.1—14.0	1.80±1.48	5
> 14	1.87±2.18	23
Total	2.00±1.82	48

^*Mean ± Standard deviation