Factors strongly associated with in-hospital hypotension included randomization to nesiritide ( odds ratio , @ ; @ % confidence interval -LSB- CI -RSB- , @-@ @ ; P < @ ) , chronic metolazone therapy ( odds ratio , @ ; @ % CI , @-@ @ ; P < @ ) , and baseline orthopnea ( odds ratio , @ ; @ % CI , @-@ @ ; P = @ ) or S@ gallop ( odds ratio , @ ; @ % CI , @-@ @ ; P = @ ) .