Figure 2

Identified changes in the call time trend using joinpoint regression. Between 0 and 41 telephone calls, on average call time decreased by 0.21 minutes (12 seconds) when physiotherapists answered the next telephone call; between 43 and 138 calls, call time decreased by 0.05 minutes (3 seconds); between 140 and 149 calls, call time decreased by 1.01 minutes (60 seconds); between 151 and 152 calls, call time increased by 4 minutes. SE: standard error.