Table 3
Proportions of readmission due to overdose in the propensity-matched group (
n
=15 876)
Unexposed group (
n
=7938)
Psychiatric intervention group (
n
=7938)
n
%
n
%
P
Odds ratio (95% CI)
722
9.1
582
7.3
<0.001
0.79 (0.71–0.89)