PRECOG study standards for postoperative assessment (1 to 3 days after surgery) (VAWC)

WHO Standards for postoperative assessment 6 weeks postoperatively (VAWC)

Good results

(3/10 ≤ VA ≤ 10/10)

60%

>80%

Results limit

(1/10 ≤ VA < 3/10)

35%

<15%

Bad results

(VA < 1/10)

5%

<5%