'P-value for a hypothesis test about the log odds ratio.
Parameters
null : float
The null value of the log odds ratio.'

def log_oddsratio_pvalue(self, null=0):

    zscore = ((self.log_oddsratio - null) / self.log_oddsratio_se)
    pvalue = (2 * stats.norm.cdf((- np.abs(zscore))))
    return pvalue
