'Saturday flit, short sit'--a strong influence of a superstition on the timing of hospital discharges?

: 'Saturday Flit, Short Sit' is a phrase recognised by 58% of our patient population. The superstition implies that leaving hospital on a Saturday is bad luck and will mean early re-admission to hospital. 13.7% of all patients interviewed would refuse to go home on a Saturday and 40% of doctors would allow postponement of discharge because of the patients superstition.