| | | Overall | PCT group (ng·mL−1) | value | | N = 852 | PCT < 0.1 N = 227 | 0.1 ≤ PCT < 0.25 N = 235 | 0.25 ≤ PCT < 0.5 N = 114 | PCT ≥ 0.5 N = 276 |
| | Demographic | | Male gender, n (%) | 419 (49.2) | 91 (40.1) | 122 (51.9) | 61 (53.5) | 145 (52.5) | 0.0161 | | Female gender, n (%) | 433 (50.8) | 136 (59.9) | 113 (48.1) | 53 (46.5) | 131 (47.5) | | | Age, mean (SD) | 61.7 (22.6) | 52.9 (22.3) | 59.1 (23.2) | 63.5 (22.7) | 67.3 (20.2) | <0.0001 |
| | Nurse triage level and vital signs | | French 1 or 2, n (%) | 90 (10.6) | 23 (10.1) | 23 (9.8) | 11 (9.6) | 33 (12.0) | 0.8266 | | Temperature, °C, mean (SD) | 37.5 (1.2) | 37.2 (1.1) | 37.6 (1.1) | 37.6 (1.2) | 37.8 (1.3) | <0.0001 | | SBP, mmHg, mean (SD) | 128.4 (24.4) | 131.2 (22.2) | 131.7 (21.6) | 131.1 (23.2) | 122.3 (27.8) | <0.0001 | | DPB, mmHg, mean (SD) | 73.0 (16.6) | 76.4 (15.7) | 73.9 (14.6) | 74.2 (15.3) | 69.1 (18.6) | <0.0001 | | Heart rate, bpm, mean (SD) | 96.6 (23.0) | 93.7 (22.0) | 98.0 (22.7) | 95.5 (21.5) | 98.4 (24.6) | 0.0981 | | Pulse oximetry, %, mean (SD) | 94.1 (6.8) | 95.3 (6.2) | 94.3 (6.5) | 93.5 (7.2) | 93.4 (7.1) | <0.0001 | | GCS, mean (SD) | 14.7 (1.4) | 14.8 (1.0) | 14.9 (0.8) | 14.5 (2.0) | 14.6 (1.7) | 0.0508 |
| | Comorbidities | | Diabetes, n (%) | 210 (24.7) | 37 (16.3) | 51 (21.7) | 31 (27.2) | 91 (33.0) | 0.0001 | | Immunosuppression, n (%) | 66 (7.8) | 24 (10.6) | 12 (5.1) | 6 (5.3) | 24 (8.7) | 0.1040 | | Obesity, n (%) | 116 (13.6) | 24 (10.6) | 32 (13.6) | 16 (14.0) | 44 (15.9) | 0.3803 |
| | Infection site | <0.0001 | | Bronchopulmonary, n (%) | 264 (31.0) | 57 (21.6) | 86 (32.6) | 35 (13.3) | 86 (32.6) | | | Urogenital, n (%) | 177 (20.8) | 37 (20.9) | 36 (20.3) | 26 (14.7) | 78 (44.1) | | | Intra-abdominal, n (%) | 114 (13.4) | 27 (23.7) | 40 (35.1) | 14 (12.3) | 33 (28.9) | | | Skin and soft tissue, n (%) | 75 (8.8) | 27 (36.0) | 13 (17.3) | 9 (12.0) | 26 (34.7) | | | Other (specified), n (%) | 89 (10.4) | 35 (39.3) | 16 (18.0) | 12 (13.5) | 26 (20.3) | | | Undetermined, n (%) | 133 (15.6) | 44 (33.1) | 44 (33.1) | 18 (13.5) | 27 (20.3) | |
| | Biology | | CRP, mg·L−1, median (IQR) | 63.7 (125.9) | 16.6 (42.8) | 50.5 (96.0) | 89.7 (146.5) | 133.0 (208.2) | <0.0001 | | Leukocytes, .109 cells. L−1, median (IQR) | 12.2 (7.8) | 10.9 (6.1) | 11.9 (6.3) | 12.2 (7.6) | 14.6 (10.2) | <0.0001 | | Neutrophils, .109 cells. L−1, median (IQR) | 11.0 (7.6) | 8.2 (5.7) | 9.5 (6.3) | 10.0 (8.0) | 12.7 (9.4) | <0.0001 |
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CRP, C-reactive protein; DPB, diastolic blood pressure; FRENCH, French Emergency Nurses Classification in Hospital scale; GCS, Glasgow coma scale; IQR, interquartile range; PCT, procalcitonin; SBP, systolic blood pressure; SD, standard deviation.
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