Table 4.

Required number of nursing staff based on WISN and WISN ratio

	Provincial general hospital
	Bac Giang	Thanh Hoa	Can Tho	Dong Thap
Number of understaffed faculties	3	2	2	3
Internal medicine	3	2	1	2
Surgery	0	0	1	1
Shortage in understaffed faculties	1–2	0	2/5	1
WISN ratio in understaffed faculties	0.88–0.95	0.88–0.95	0.78–0.92	0.91–0.92
Number of adequate staffed faculties	1	0	1	1
Internal medicine	0	0	1	0
Surgery	1	0	0	1
Number of overstaffed faculties	3	4	2	0
Internal medicine	1	1	0	0
Surgery	2	3	2	0
Excess in overstaffed faculties	1/3	2/3	2	–