Volume 21, Number 8—August 2015
Research
Differentiation of Acute Q Fever from Other Infections in Patients Presenting to Hospitals, the Netherlands1
Stephan P. Keijmel
, Elmer Krijger, Corine E. Delsing, Tom Sprong, Marrigje H. Nabuurs-Franssen, and Chantal P. Bleeker-Rovers
, Elmer Krijger, Corine E. Delsing, Tom Sprong, Marrigje H. Nabuurs-Franssen, and Chantal P. Bleeker-Rovers
Table 2
Signs and symptoms for patients with acute Q fever and control group with negative serologic results for Q fever, the Netherlands*
| Characteristic | Study group, n = 82, no. positive/no. tested (%) | Control group, n = 52, no. positive/no. tested (%) | p value† |
|---|---|---|---|
| Fever | 64/75 (85) | 37/49 (76) | NS |
| Chills | 31/42 (74) | 16/28 (57) | NS |
| Myalgia | 22/24 (92) | 11/14 (79) | NS |
| Night sweats | 12/19 (63) | 9/17 (53) | NS |
| Weight loss | 11/26 (42) | 7/14 (50) | NS |
| Chest pain | 11/55 (20) | 13/38 (34) | NS |
| Dyspnea | 37/65 (57) | 31/43 (72) | NS |
| Rhinorrhea | 1/12 (8) | 7/14 (50) | NS |
| Sore throat | 12/22 (55) | 1/12 (8) | 0.008 |
| Cough | 49/76 (64) | 38/48 (79) | NS |
| Sputum production | 18/73 (25) | 20/48 (42) | 0.049 |
| Nausea | 14/48 (29) | 12/37 (32) | NS |
| Vomiting | 17/47 (36) | 10/39 (26) | NS |
| Abdominal pain | 9/51 (18) | 6/33 (18) | NS |
| Diarrhea | 9/50 (18) | 4/36 (11) | NS |
| Headache | 38/54 (70) | 21/27 (78) | NS |
| Weakness | 9/21 (43) | 1/9 (11) | NS |
| Painful joints | 7/20 (35) | 2/16 (13) | NS |
| Arthritis | 0/17 (0) | 1/16 (6) | NS |
*NS, not significant.
†By χ2 test.
1Preliminary results from this study were presented as a poster (P1851) at the 22th annual European Congress of Clinical Microbiology and Infectious Diseases, March 31–April 3, 2012, London, UK.
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