Figure 8.
NDI baseline scores compared to 6-month follow-up (−31.17 [95% CI: −35.49 to −26.84]; heterogeneity: I2 = 98.1%, P < .001).
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.