Table 4 Multivariate analysis of factors associated with mortality among cases of hospital-associated and community-acquired Staphylococcus aureus bacteraemia in Denmark from 1995-2008
Hospital-associated SAB | Community-acquired SAB | |||
|---|---|---|---|---|
30-d mortality (%) | Adjusted MRR (95% CI) | 30-d mortality (%) | Adjusted MRR (95% CI) | |
Overall | 2368/9412 (25.2%) | 1439/5074 (28.4%) | ||
Age, years | ||||
1 > | 19/337 (5.6%) | 0.45 (0.28-0.73) | 1/58 (1.7%) | 0.13 (0.02-0.93) |
1-15 | 9/232 (3.9%) | 0.27 (0.14-0.53) | 1/235 (0.4%) | 0.03 (0.04-0.23) |
16-35 | 32/535 (6.0%) | 0.39 (0.27-0.56) | 15/405 (3.7%) | 0.25 (0.14-0.42) |
36-55 | 282/1733 (16.3%) | 1.0 | 152/938 (16.2%) | 1.0 |
56-75 | 983/3982 (24.7%) | 1.7 (1.5-1.9) | 483/1734 (27.9%) | 1.8 (1.5-2.2) |
> 75 | 1043/2593 (40.2%) | 3.2 (2.8-3.7) | 787/1704 (46.2%) | 3.6 (3.0-4.4) |
Sex | ||||
Female | 988/3755 (26.3%) | 1.0 | 616/1927 (32.0%) | 1.0 |
Male | 1380/5657 (24.4%) | 0.90 (0.83-0.98) | 823/3147 (26.2%) | 0.82 (0.74-0.92) |
CCI score | ||||
0 | 527/2822 (18.7%) | 1.0 | 435/2293 (19.0%) | 1.0 |
1-2 | 1049/3868 (27.1%) | 1.3 (1.1-1.4) | 606/1801 (33.6%) | 1.3 (1.1-1.5) |
> 2 | 792/2722 (29.1%) | 1.4 (1.2-1.6) | 398/980 (40.6%) | 1.6 (1.4-1.9) |
Alcohol-related disorders | ||||
No | 2113/8585 (24.6%) | 1.0 | 1251/4532 (27.6%) | 1.0 |
Yes | 255/827 (30.8%) | 1.7(1.5-2.0) | 188/542 (34.7%) | 1.9(1.6-2.2) |
Year | ||||
1995-1997 | 526/1893 (27.8%) | 1.0 | 262/989 (26.5%) | 1.0 |
1998-2000 | 502/1992 (25.2%) | 0.83 (0.74-0.94) | 365/1261 (28.9%) | 1.00 (0.85-1.17) |
2001-2003 | 512/2010 (25.5%) | 0.79 (0.70-0.89) | 257/893 (28.8%) | 0.89 (0.75-1.06) |
2004-2006 | 535/2171 (24.6%) | 0.74 (0.66-0.84) | 355/1155 (30.7%) | 0.90 (0.76-1.05) |
2007-2008 | 293/1346 (21.8%) | 0.65 (0.56-0.75) | 200/776 (25.8%) | 0.74 (0.61-0.89) |