Median time to treatment decreased from @ d ( interquartile range -LSB- IQR -RSB- = @-@ @ ) to @ d ( IQR = @-@ @ ) ( p = @ ) , although not among confirmed cases ( median @ -LSB- IQR = @-@ @ -RSB- versus @ -LSB- IQR = @-@ @ -RSB- , p = @ ) .