Lower Urinary Tract Symptoms in Female Nurses: Evidence from the Nurse Urinary Related Health Study of China

Table 1

The number of level A and level B major tertiary hospitals across regions with diverse GDP.

Regions	Regions with high GDP	Regions with medium-high GDP	Regions with medium-low GDP	Regions with low GDP	Total number
Hospital level
Level A major tertiary hospital	20	10	9	9	48
Level B major tertiary hospital	19	10	8	11	48