Lean Management Improves the Process Efficiency of Controlled Ovarian Stimulation Monitoring in IVF Treatment

Table 6

Results of observation of time before and after lean management.

No	Process	Subprocess	Before lean management				After lean management
			Waiting	CT		Lead time	Waiting	CT		Lead time
				VA	NVA			VA	NVA
1.	Administration	Registration	0 : 00	0 : 06	0 : 00	0 : 06	0 : 00	0 : 05	0 : 00	0 : 05
2.	Laboratory	Admission	0 : 10	0 : 02	0 : 00	0 : 12	—	—	—	—
		Blood sample withdrawal	0 : 26	0 : 09	0 : 00	0 : 35	—	—	—	—
		Test result pickup	9 : 35	0 : 03	0 : 00	9 : 38	—	—	—	—
3.	Nurse station	Calling the patients	6 : 51	0 : 00	0 : 00	6 : 51	4 : 23	0 : 00	0 : 00	4 : 23
4.	IVF clinic	Entering the room	0 : 00	0 : 00	0 : 00	0 : 00	0 : 00	0 : 00	0 : 00	0 : 00
		Patient examination	0 : 00	0:30	0 : 00	0 : 30	0 : 00	0:33	0 : 00	0 : 33
		Counselling	0 : 01	0 : 06	0 : 00	0 : 07	0 : 00	0 : 05	0 : 00	0 : 05
5.	Payment	Patient’s record submission	0 : 05	0 : 07	0 : 00	0 : 12	0 : 03	0 : 11	0 : 00	0 : 14
		Payment	0 : 30	0 : 06	0 : 00	0 : 36	0 : 46	0 : 08	0 : 00	0 : 54
		Proof of payment pickup	0 : 04	0 : 03	0 : 00	0 : 07	0 : 00	0 : 05	0 : 00	0 : 05
6.	Pharmacy	Drug prescription submission	0 : 22	0 : 03	0 : 00	0 : 24	0 : 14	0 : 02	0 : 00	0 : 16
		Drug preparation	1 : 04	0 : 10	0 : 00	1 : 14	0 : 46	0 : 11	0 : 00	0 : 57
		Drug pickup	0 : 46	0 : 07	0 : 00	0 : 53	0 : 10	0 : 06	0 : 00	0 : 16
7.	Injection room	Entering the room	0 : 13	0 : 01	0 : 00	0 : 14	0 : 10	0 : 00	0 : 00	0 : 10
		Informed consent	0 : 00	0 : 10	0 : 00	0 : 10	0 : 00	0 : 12	0 : 00	0 : 12
		Equipment preparation	0 : 00	0:05	0 : 00	0 : 05	0 : 00	0:09	0 : 00	0 : 09
		Drug injection	0 : 00	0 : 05	0 : 00	0 : 05	0 : 00	0 : 03	0 : 00	0 : 03
Total			20 : 07	01 : 53	0 : 00	22 : 00	6 : 32	1 : 50	0 : 00	8 : 22
VAR score			9%				22%

Bold text showed the subprocesses which lean management implemented. CT: cycle time; IVF: in vitro fertilization; NVA: nonvalue added; VA: value-added; VAR: value-added ratio.