Table 3 Data analysis methods and steps

1

Translation of English ending indicators into standard Chinese names. (If no relevant terminology, the steering group will be consulted.)

2

Separate composite outcomes will be divided into a single outcome.

3

Remove outcomes that define repetition.

4

Two authors will group the outcomes together into appropriate outcome domains

5

The frequency of each individual outcome and the number of outcomes belonging to an outcome domain will be assessed.

6

The outcome domains and their outcomes will be reviewed by the Steering group.