Table 2.

Gold standard consultation record sets

			Blind agreement by GP clinical experts*
Gold standard	Records included	Respiratory consultations identified	Agreement if consultation is respiratory or not respiratory	Complete agreement for all respiratory classifications included in consultations
Training set (set 1)	1200	529 (0.44; 0.40 to 0.48)	1139 (0.95; 0.93 to 0.97)	1037 (0.86; 0.84 to 0.89)
Test set (set 2)	1200	556 (0.46; 0.42 to 0.51)	1146 (0.96; 0.94 to 0.97)	1060 (0.88; 0.85 to 0.91)
Validation set (set 3)	1200	553 (0.46; 0.42 to 0.51)	1151 (0.96; 0.94to 0.98)	1046 (0.87; 0.84 to 0.90)

Data are n (proportion; 95% CI).

*Consensus was reached for all records with discordant classifications following initial independent coding.

GP, general practitioner.