Table 3 Number of patients in the four different MABP groups in different time periods
Period | Group 1 | Group 2 | Group 3 | Group 4 | All groups |
|---|---|---|---|---|---|
1987-1992 | 72 (6.5) | 88 (8.0) | 40 (3.6) | 901 (81.9) | 1101 (100.0) |
1993-1997 | 272 (8.7) | 279 (8.9) | 299 (9.6) | 2277 (72.8) | 3173 (100.0) |
1998-2003 | 490 (11.7) | 459 (11.0) | 638 (15.2) | 2604 (61.1) | 4191 (100.0) |
1987-2003 | 834 (9.9) | 826 (9.8) | 977 (11.6) | 5782 (68.7) | 8419 (100.0) |