Predicted versus actual total resource consumption, consultations, admissions and discharge referrals by Emergency Severity Index category
| ESI-1 | ESI-2 | ESI-3 | ESI-4 | ESI-5 | |
|---|---|---|---|---|---|
| ESI, Emergency Severity Index; GP, general practitioner. | |||||
| Patients, n (%) | 2 (<1) | 34 (2) | 128 (7) | 685 (37) | 983 (54) |
| Use of resources | |||||
| Predicted by ESI | ⩾2 | ⩾2 | ⩾2 | 1 | 0 |
| Patients needing resources, n (%; 95% CI) | 2 (100) | 33 (97; 91 to 100) | 115 (90; 85 to 95) | 427 (62; 59 to 66) | 143 (15; 12 to 17) |
| Resources used, n | |||||
| >2 | 2 (100) | 29 (85) | 92 (72) | 152 (22) | 27 (3) |
| 1 | 4 (12) | 23 (18) | 275 (40) | 116 (12) | |
| None | 1 (3) | 13 (10) | 258 (38) | 840 (85) | |
| % Correct predicted | 100 | 85 | 72 | 40 | 86 |
| Specialist consultation, n (%; 95% CI) | 29 (85; 73 to 98) | 68 (53; 44 to 62) | 158 (23; 20 to 26) | 53 (5; 4 to 7) | |
| Admissions, n (%; 95% CI) | 19 (56; 38 to 73) | 16 (13; 7 to 18) | 23 (3; 2 to 5) | 7 (<1; 0 to 1) | |
| Discharge referral | |||||
| Specialist’s clinic, n (%; 95% CI) | 13 (38; 21 to 55) | 52 (41; 32 to 49) | 140 (20; 17 to 23) | 83 (8; 7 to 10) | |
| GP, n (%; 95% CI) | 2 (6; 2 to 14) | 25 (20; 13 to 26) | 171 (25; 22 to 28) | 222 (23; 20 to 25) | |