Table 4.

Understaffed/overstaffed patient shifts and costs by temporary staff availability for different baseline staffing levels

Baseline staffing	Low	Standard	High	Low	Standard	High	Low	Standard	High	Low	Standard	High
Flexible staffing option	Patient shifts			Understaffed patient shifts			Overstaffed patient shifts			Cost per patient-day
	n	n	n	%	%	%	%	%	%	£	£	£
Unlimited availability	2 924 099	2 923 561	2 923 896	17.1	8.0	4.4	0.7	4.5	9.9	145	147	152
Higher availability	2 923 631	2 924 193	2 923 489	41.1	18.2	11.5	0.7	4.4	9.9	135	142	148
Empirical availability	2 924 006	2 923 614	2 924 087	65.4	31.8	21.2	0.7	4.4	9.9	120	135	142
No temporary staff or redeployments	2 923 940	2 923 668	2 923 786	86.0	46.6	33.8	1.0	5.8	12.4	100	124	135

Calculated from average results across 10 runs of the simulation model for each hospital.