Skip to main content

Table 3 The ROP screening number from 2010 to 2012(n/%)

From: A systematic study on the prevention and treatment of retinopathy of prematurity in China

Organization level

2012

2011

2010

Tertiary medical institutions

30,547/87.1%

23,045/83.3%

16,125/79.7%

Secondary and below medical institutions

7799/12.9%

4630/16.7%

2382/20.3%

Sum

38,346

27,675

18,507

  1. χ2 = 499.5 P < 0.0001