|  | Number of patients (n = 4191) | ||
---|---|---|---|---|
Audit | Time frame | Total (%) | TA group (%) | NTA group (%) |
1 | 30/10/00 – 18/02/01 | 348 (8) | 247 (71) | 101 (29) |
2 | 23/04/01 – 02/09/01 | 413 (10) | 277 (67) | 136 (33) |
3 | 12/11/01 – 20/12/02 | 1345 (32) | 1139 (85) | 206 (15) |
4 | 20/01/03 – 31/12/03 | 1136 (27) | 951 (84) | 185 (16) |
5 | 01/01/04 – 21/09/04 | 949(23) | 745 (78) | 204 (22) |