Median TTD according recalibration of response shift.

Then-test 1: retrospective assessment of baseline at the end of 1st hospitalization.Then-test 2: retrospective assessment of baseline at 3 months.Then-test 3: retrospective assessment of 3-month QoL.†then-test2.¥then-test1 & then-test3 (i.e. significant recalibration was also observed at the retrospective assessment of 3-month QoL).?then-test2 & then-test3 (i.e. significant recalibration was also observed at the retrospective assessment of 3-month QoL).‡then-test3.NA: Not applicable (no significant recalibration).NR: Not reached.Inf: Infinite.