Reaction No reaction Full Crossmatch  326 1092 Uncross match/Not Full Cross Match 95 89 Total 421 1181 Odd ratio 3.58, CI 95%, p=1.0000.

Table 3: There is no statistical difference between a blood that was cross match fully for 2 hours as against uncross match but same ABO blood group or cross match blood for less than 2 hours