Table 4 The most important actors of the health insurance ecosystem in the referral rates network according to the Weighted Degree index

13

SSO

258,736,373

306,080,878

323,688,134

12

IHIO

146,452,507

199,246,093

148,301,315

5

Pharmacies

114,906,573

183,300,267

166,644,780

3

SPS

99,141,152

115,050,784

108,527,735

2

GPs

98,718,114

101,594,763

92,118,675

6

Lab centers

37,303,404

40,935,633

39,113,422

7

Radiology centers

24,821,944

29,777,485

26,164,508

9

Dialysis centers

8,839,299

10,969,787

14,452,065

1

Hospitals and limited surgery centers

7,978,609

10,058,477

9,297,469

4

Dentists

7,399,975

6,300,451

5,012,652

10

Others centers

5,268,550

6,253,425

9,434,655

8

Rehabilitation centers

811,260

1,085,900

1,223,489