Table 4 Mortality of bloodstream infection (BSI) stratified by sex in an area of Mid-Norway 2002–2013. Number of deaths and observed and standardized mortality rates, allover and in various subgroups, are shown
Total | Females | Males | |||||||
|---|---|---|---|---|---|---|---|---|---|
Group of BSI | n | Observed mortality ratea (95% C.I.) | Age and sex standar-dized mortality rateb | n | Observed mortality ratea(95% CI) | Age standar-dized ratec | n | Observed mortality ratea (95% CI) | Age standar-dized rated |
All BSIs | 299 | 35 (31–39) | 32 | 127 | 29 (24–35) | 28 | 172 | 40 (35–47) | 36 |
Place of acquisition | |||||||||
CA-BSI | 85 | 10 (8–12) | 9 | 42 | 10 (7–13) | 9 | 43 | 10 (7–14) | 9 |
HCA-BSI | 163 | 19 (16–22) | 18 | 65 | 15 (12–19) | 14 | 98 | 23 (19–28) | 22 |
HA-BSI | 51 | 6 (4–8) | 6 | 20 | 5 (3–7) | 4 | 31 | 7 (5–10) | 7 |
Infection focus | |||||||||
Urinary tract | 63 | 7 (6–9) | 7 | 31 | 7 (5–10) | 7 | 32 | 8 (5–11) | 7 |
Lungs | 75 | 9 (7–11) | 8 | 25 | 6 (4–9) | 6 | 50 | 12 (9–15) | 11 |
Biliary tract | 15 | 2 (1–3) | 1 | 4 | 1 (0–2) | 0.4 | 11 | 3 (1–5) | 2 |
Gastrointestinal tract | 16 | 2 (1–3) | 2 | 8 | 2 (0–4) | 2 | 8 | 2 (0–3) | 2 |
Skin or soft tissue | 34 | 4 (3–6) | 4 | 12 | 3 (1–5) | 3 | 22 | 5 (3–8) | 5 |
Other | 28 | 3 (2–5) | 3 | 14 | 3 (2–5) | 3 | 14 | 3 (2–5) | 3 |
Unknown | 68 | 8 (6–10) | 7 | 33 | 8 (5–11) | 7 | 35 | 8 (6–11) | 8 |
Microbe group | |||||||||
Gram-negative BSI | 128 | 15 (12–18) | 14 | 64 | 15 (11–19) | 14 | 64 | 15 (12–19) | 14 |
Gram-positive BSI | 144 | 17 (14–20) | 15 | 48 | 11 (8–15) | 11 | 96 | 23 (18–27) | 20 |
Polymicrobial or fungal BSI | 27 | 3 (2–5) | 3 | 15 | 3 (2–6) | 3 | 12 | 3 (1–5) | 3 |
Microbes (the four most common) | |||||||||
Escherichia coli | 59 | 7 (5–9) | 6 | 28 | 6 (4–9) | 6 | 31 | 7 (5–10) | 6 |
Streptococcus pneumoniae | 31 | 4 (2–5) | 3 | 10 | 2 (1–4) | 2 | 21 | 5 (3–8) | 4 |
Staphylococcus aureus | 60 | 7 (5–9) | 6 | 25 | 6 (4–9) | 5 | 35 | 8 (6–11) | 7 |
Klebsiella spp. | 20 | 2 (1–4) | 2 | 12 | 3 (1–5) | 2 | 8 | 2 (0.7–4) | 2 |