Table 1.

Results (agglutination and/or haemolysis) of major cross-match tests at the three temperatures of incubation

Type of result	4°C	RT	37°C
Negative for haemolysis and agglutination	14/104	18/104	28/111
Haemolysis positive and agglutination negative	2/104	5/104	12/111
Haemolysis negative and agglutination positive	85/104 (13)	77/104(12)	62/111 (18)
Positive for haemolysis and agglutination	3/104 (1)	4/104 (0)	9/111 (1)
Total	104 (14)	104 (12)	111 (19)

The number of agglutinations detected microscopically only is indicated in brackets

RT = room temperature