As compared with matched not-weak patients , weak patients had a lower likelihood for live weaning from mechanical ventilation ( hazard ratio -LSB- HR -RSB- , @ -LSB- @-@ @ -RSB- ; P = @ ) , live ICU ( HR , @ -LSB- @-@ @ -RSB- ; P = @ ) and hospital discharge ( HR , @ -LSB- @-@ @ -RSB- ; P = @ ) .