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. 2011 Jan 5;342:c7136. doi: 10.1136/bmj.c7136

Table 5.

 Laboratory investigations. Data are mean (SD)

Laboratory investigation Prazosin (n=35) Prazosin plus antivenom (n=35) P
White blood cells (×109/L) 16.09 (3.87) 15.48 (4.08) 0.522
Creatine kinase-MB (U/L) 60.1 (23.5) 51.6 (14.9) 0.074
Haemoglobin (g/L) 12.3 (20) 12.4 (20) 0.840