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.
Calibration plot for both the expert-based and statistically derived models for the prognosis of persistent shoulder pain. Closed black dots = Expert model with dichotomized predictors Open squares = Expert model with continuous predictors Closed grey diamonds = Statistical model
