Table 2.

Summary of policy impacts derived from PSA.

	Group	Pre	Expected post	Observed post	Change (95% CI)	Difference-in-difference change (95% CI)
Non-ICU days	PSP	4411	6481	5467	− 1013 [− 2051, − 24]	− 596 [− 942, − 276]
	Non-PSP	682	847	793	− 55 [− 232, 120]
ICU days	PSP	589	862	751	− 111 [− 309, 74]	− 172 [− 222, − 148]
	Non-PSP	142	160	172	11 [− 30, 55]
Transfers	PSP-mixed	140	209	139	− 70 [− 108, − 34]	− 83 [− 97, − 83]
	Non-PSP	85	106	115	9 [− 15, 33]

Change column refers to the difference between observed and expected outcomes. Difference-in-difference analysis subtracts non-PSP change from PSP change.

IQR interquartile range reflecting 25th, 75th percentile of simulations, PSP Paediatric Sepsis Pathway, PSP-CH Children’s Hospital included in the PSP, PSP-mixed all participating PSP sites excluding PSP-CH.