Volume 23, Number 7—July 2017
CME ACTIVITY - Research
Clonal Clusters and Virulence Factors of Group C and G Streptococcus Causing Severe Infections, Manitoba, Canada, 2012–2014
Sylvain A. Lother
, Walter Demczuk, Irene Martin, Michael R. Mulvey, Brenden Dufault, Philippe Lagacé-Wiens, and Yoav Keynan
, Walter Demczuk, Irene Martin, Michael R. Mulvey, Brenden Dufault, Philippe Lagacé-Wiens, and Yoav Keynan
Table 1
Demographic and other variables among patients with group C and G Streptococcus bacteremia causing severe infections, Winnipeg, Manitoba, Canada, 2012–2014*
| Patient variable |
Value |
|---|---|
| Demographic characteristic | |
| Median age, y ± SD | 61 ± 18.4 (0–99) |
| Age groups, y | |
| <18 | 1/89 (1) |
| 18–64 | 52/89 (58) |
| >65 | 36/89 (40) |
| Sex | |
| M | 56/89 (63) |
| F |
33/89 (37) |
| Medical history† | |
| Active alcohol abuse | 12/88 (14) |
| Active malignancy | 16/88 (18) |
| Active smoker | 17/88 (19) |
| Asthma or COPD | 12/88 (14) |
| Cardiovascular disease | 41/88 (47) |
| Chronic kidney disease | 25/88 (28) |
| Diabetes mellitus | 38/88 (43) |
| Dialysis dependent | 10/88 (11) |
| History of intravenous drug use | 3/88 (3) |
| Immunosuppressive drug use | 11/88 (13) |
| Total parental nutrition | 3/88 (3) |
| No predisposing conditions |
8/88 (9) |
| Clinical source of bacteremia‡ | |
| Skin and soft tissue infection | 43/84 (51) |
| Intraabdominal or gastrointestinal infection | 3/84 (4) |
| Pharyngitis | 0/84 |
| Osteomyelitis and discitis | 1/84 (1) |
| Meningitis | 1/84 (1) |
| Septic arthritis | 2/84 (2) |
| Infectious endocarditis | 6/84 (7) |
| Primary bacteremia without source |
31/84 (37) |
| Clinical characteristic§ | |
| Temperature >38°C | 48/83 (58) |
| Mean arterial pressure <80 mm Hg | 50/82 (61) |
| Heart rate >90 beats/min | 63/83 (76) |
| Glasgow Coma Scale <15 | 36/84 (43) |
*Values are no. patients in category/total no. patients with data available (%) except as indicated. COPD, chronic obstructive pulmonary disease.
†Data missing for 1 patient.
‡Data missing for 5 patients.
Data missing or partially missing for 7 patients.
Page created: June 15, 2017
Page updated: June 15, 2017
Page reviewed: June 15, 2017
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