Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Summary of random-effects models of all studies identified through literature search. Two subgroups were created, each synthesizing all studies with preference to JSW and KL grade reporting, respectively.
| Analysis | Outcome | Confidence Interval | Cochrane’s Q-test p-value | I2 | τ2 |
|---|---|---|---|---|---|
| All studies, preferentially JSW | 2.01 | 1.18,3.44 | <0.01 | 66.4% | 0.28 |
| All studies, preferentially KL grade | 1.99 | 1.21,3.28 | 0.02 | 63.3% | 0.23 |
