Table 1.

The Stability and Workload Index for Transfer (SWIFT) components and allotted score to individual components.

Variables	0	+1	+5	+6	+8	+10	+13	+14	+24
Original source of this ICUa admission	Emergency department				Transfer from a ward or outside hospital
Total ICU length of stay	<2	2–10						>10
Last measured PaO2b/FIO2c ratio (during this ICU admission)	>400		<400 – >150			<150 –>100	<100
GCSd at time of ICU discharge	>14			11 – 14				8 – 10	<8
Last arterial blood gas PaCO2e (mm of Hg)	>45		<45

^aICU – Intensive Care Unit;

^bPaO2- partial pressure of oxygen in arterial blood;

^cFiO2 - fraction of inspired oxygen;

^dGCS – Glasgow comma scale;

^ePaCO2 – partial pressure of carbon dioxide in arterial blood.