Table. Investments Made by Private Equity Investors to Fund or Acquire Surgical Practices by Census Region.

Period, census region	Investments, No. (%)
2000-2005 (n = 26)
South	17 (65)
West	7 (27)
Midwest	2 (8)
2006-2010 (n = 30)
South	15 (50)
West	7 (23)
Midwest	6 (20)
Northeast	2 (7)
2011-2015 (n = 61)
South	28 (46)
West	16 (26)
Midwest	7 (12)
Northeast	10 (16)
2016-2020 (n = 76)a
South	28 (37)
West	11 (14)
Midwest	13 (17)
Northeast	23 (30)

^a Percentages sum to less than 100% because region was unavailable for 1 financial arrangement.