From: The broad spectrum of COVID-like patients initially negative at RT-PCR testing: a cohort study
 | Overall Median [IQR] N (%) | COVID-19 Median [IQR] N (%) | COVID-free/other than COVID Median [IQR] N (%) | p |
---|---|---|---|---|
n | 115 | 66 | 49 | Â |
Epidemiological Criteria |  |  |  | 0.074° |
 No | 65 (56.5) | 42 (63.6) | 23 (46.9) |  |
 Yes | 50 (43.5) | 24 (36.4) | 26 (53.1) |  |
Epidemiological Criteria Specification |  |  |  | 0.135§ |
 Contact to COVID-19 | 14 (12.2) | 8 (12.1) | 6 (12.2) |  |
 Nursing home resident | 19 (16.5) | 8 (12.1) | 11 (22.4) |  |
 Repeated health care services users (dialysis, day hospital) | 12 (10.4) | 4 (6.1) | 8 (16.3) |  |
 Health worker | 5 (4.3) | 4 (6.1) | 1 (2.0) |  |
 None | 65 (56.5) | 42 (63.6) | 23 (46.9) |  |
Clinical criteria |  |  |  | 0.005§ |
 No | 9 (7.8) | 1 (1.5) | 8 (16.3) |  |
 Yes | 106 (92.2) | 65 (98.5) | 41 (83.7) |  |
Clinical criteria specification | ||||
 Cough, Dyspnoea |  |  |  | 0.242° |
  No | 40 (34.8) | 20 (30.3) | 20 (40.8) |  |
  Yes | 75 (65.2) | 46 (69.7) | 29 (59.2) |  |
 Fever |  |  |  | 0.001° |
  No | 53 (46.1) | 22 (33.3) | 31 (63.3) |  |
  Yes | 62 (53.9) | 44 (66.7) | 18 (36.7) |  |
 Hyposmia, Hypogeusia |  |  |  | 0.392§ |
  No | 110 (95.7) | 62 (93.9) | 48 (98.0) |  |
  Yes | 5 (4.3) | 4 (6.1) | 1 (2.0) |  |
 Nausea, Vomiting, Diarrhoea |  |  |  | 1.000§ |
  No | 108 (93.9) | 62 (93.9) | 46 (93.9) |  |
  Yes | 7 (6.1) | 4 (6.1) | 3 (6.1) |  |
 Respiratory failure |  |  |  | 0.281° |
  No | 55 (47.8) | 29 (43.9) | 26 (54.2) |  |
  Yes | 59 (51.3) | 37 (56.1) | 22 (45.8) |  |
 Number of symptoms | 2.00 [1.00 - 2.00] | 2.00 [1.00 - 3.00] | 2.00 [1.00 - 2.00] | 0.003# |
Worsening of PO2/FiO2 without cause |  |  |  | 1.000° |
 No | 63 (54.8) | 36 (64.3) | 27 (64.3) |  |
 Yes | 35 (30.4) | 20 (35.7) | 15 (35.7) |  |