Table 3

Percentage of patients seen within target time by triage category

Before separate stream startedAfter separate stream started*
Triage categoryN% (95% CI)N% (95% CI)Z†p†
*Data have been used for the four week period where the only intervention was the introduction of the separate stream system (that is, 8 June to 6 July); †critical ratio (Z) test and one sided p value.
1Immediate1152.4 (30.4 to 73.6)956.3 (30.6 to 79.28)−0.010.46
2<10 min4841.0 (32.1 to 50.5)3632.1 (23.8 to 41.7)1.260.10
3<60 min201272.8 (71.1 to 74.4)157678.6 (76.7 to 80.4)4.55<0.0001
4<120 min344287.6 (86.5 to 88.6)302294.1 (93.2 to 94.9)9.29<0.0001
5<240 min9896.1 (89.7 to 98.8)44100.0 (90.0 to 100.0)0.770.22