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.
Trial sequential analysis of efficacy of sports intervention on Internet addiction level. The blue line represents the cumulative Z-score of the meta-analysis. The straight red line represents the conventional p = 0.05 statistical boundaries. The inward sloping red lines represent the truncated trial sequential monitoring boundaries.
