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. 2009 Nov-Dec;71(6):651–655. doi: 10.4103/0250-474X.59547

TABLE 1.

DATA OBTAINED FOR THE CALCULATION OF LETHAL DOSE (LD50 VALUE)

Group Dose (mg/Kg) Log dose Dead/Total % Dead Corrected % Probit
1 1500 3.176 0/10 0 2.5* 3.04
2 2000 3.301 2/10 20 20 4.16
3 2500 3.397 5/10 50 50 5.00
4 3000 3.477 8/10 80 80 5.84
5 3500 3.544 10/10 100 97.5* 6.96
*

Corrected for 0 % dead = 100(0.25/n), and 100% dead = 100X (n-0.25/n)