Table 3.

ABO discrepancies in oncology patients - general characteristics.

Total number of blood grouping tests	134,964
Incidence of ABO discrepancy	0.077% (104/134,964)
Male: Female ratio	Male: 62/60% Female: 42/40%
Mean age in years (range)	38.24 years (2 months to 83 years)
Medical oncology patients	40% (38/96)
Surgical oncology patients	60% (58/96)
Serological workup done	96*

^⁎In eight cases, serological workup could not be completed owing to unavailability of additional sample(s) due to loss of follow up.