Table 2. Mean lead time, mean delay and mean IQR before and after the update.

Period	Type of RHU	Mean lead time (day)			Mean delay (day)			Mean IQR
		Median	25th Percentile	75th Percentile	Median	25th Percentile	75th Percentile
Pre-Update 1996–2008	All	21.2	14.8	30.6	14.2	7.8	23.6	15.7
	Type 1	21.9	14.8	32.3	14.9	7.8	25.3	17.6
	Type 2	20.7	13.6	29.2	13.7	6.6	22.2	15.7
Post-Update 2009–2014	All	37.1	24.2	60.6	16.1	3.2	39.6	36.4
	Type 1	45.8	30.0	73.1	24.8	9.0	52.1	43.1
	Type 2	27.4	21.2	38.4	6.4	0.2	17.4	17.2
Sub-Period 2009–2010 (Manual)	All	28.1	19.6	38.4	7.1	-1.4	17.4	18.8
	Type 1	32.3	21.5	42.9	11.3	0.5	21.9	21.4
	Type 2	25.8	18.9	30.8	4.8	-2.1	9.8	11.9
Sub-Period 2011–2014 (Mixed)	All	41.6	26.5	71.6	20.6	5.5	50.6	45.2
	Type 1	52.6	34.3	88.2	31.6	13.3	67.2	53.9
	Type 2	28.2	22.3	42.2	7.2	1.3	21.2	19.9