Table 3.
Outcome trend over the observation period
| All | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | p-valueb | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | 2684 | 176 | 191 | 201 | 223 | 279 | 297 | 303 | 319 | 337 | 358 | ----- |
| MORT (%) | 31.4 | 35.4 | 33.7 | 39.1 | 35.0 | 28.4 | 32.9 | 33.0 | 28.6 | 27.7 | 23.3 | 0.112 |
| DEV (%) | 70.0 | 70.8 | 61.7 | 69.0 | 70.9 | 72.4 | 68.9 | 75.4 | 66.8 | 70.4 | 72.6 | 0.146 |
| APACHE IIa | 18 (7-41) | 21 (7-41) | 19 (8-41) | 19 (6-34) | 17 (6-36) | 14 (5-30) | 14 (6-30) | 15 (6-35) | 16 (7-38) | 17 (6-36) | 15 (7-34) | 0.361 |
| SAPS IIa | 15 (6-47) | 15 (6-47) | 17 (5-41) | 12 (4-31) | 13 (3-35) | 13 (4-27) | 13 (4-31) | 15 (5-39) | 17 (6-37) | 17 (6-37) | 13 (5-31) | 0.415 |
| MPM II-24a | 17 (7-43) | 17 (7-43) | 16 (6-35) | 14 (6-29) | 16 (6-35) | 14 (6-32) | 13 (6-34) | 18 (6-39) | 18 (6-40) | 17 (7-36) | 14 (6-34) | 0.389 |
MORT: Hospital mortality; DEV: Development set percentage (a): Median (Interquartile range) pb: Determined by χ2 test for percentages or Kruskal-Wallis test for comparison of medians.