The comparative interrupted time series design for assessment of diagnostic impact: methodological considerations and an example using point-of-care C-reactive protein testing

Table 1 Estimated parameter values from fitting separate ARIMA(p,d,q)(P,D,Q)[M] to the retrospective time series at each site

Base	p	q	P	Period, M
Stoke Mandeville	0	0	2	12
Clacton	0	0	2	12
Bury St Edmunds	1	0	2	12
Nuneaton	0	1	2	12
Warwick	1	1	2	12
Kidderminster	0	1	2	12
Redditch	1	1	2	12
Worcestershire Royal	0	0	2	12

ISSN: 2397-7523