GP triage was associated with a @ % increase in the mean number of contacts per person over @ days compared with usual care ( @ -LSB- SD @ -RSB- vs @ -LSB- @ -RSB- ; rate ratio -LSB- RR -RSB- @ , @ % CI @-@ ) , and nurse triage with a @ % increase ( @ -LSB- SD @ -RSB- ; RR @ , @ % CI @-@ ) .