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. Author manuscript; available in PMC: 2015 May 20.
Published in final edited form as: Brain Res. 2014 Apr 5;1564:52–61. doi: 10.1016/j.brainres.2014.03.047

Table 2.

ED50 and 95% CI in Burn-injured Young Rats

ED50 [95% CI] (mg/kg)
Day 7 Day 14 P-value
SAL-SAL 3.19 [2.20 to 5.40] 5.91 [3.90 to 10.06] 0.098
SAL-MID 4.59 [2.55 to 8.49] 5.14 [3.40 to 7.63] 0.382
MOR-SAL 7.70 [5.66 to 13.93]* 15.41 [11.32 to 27.85]* 0.041
MOR-MID 13.68 [10.18 to 20.97]* 30.79 [22.83 to 53.68]*# 0.017

ED50: the morphine dose that produced 50% of the anti-nociception effect

95% CI: 95% confidence intervals

*

P < 0.01, as compared with the SAL-SAL or SAL-MID group on Day 7 or 14

#

P = 0.04 as compared with the MOR-SAL group on Day 14