Korean Journal of Family Practice

Table. 1.

General characteristics of study subjects

Variable Positive (n=320) Negative (n=3,070) P-value
Age (y) 49.8±17.3 43.1±14.5 <0.01a
Sex <0.01
Male 118 (36.9) 1,605 (52.3)
Female 202 (63.1) 1,465 (47.7)
Fever (≥37.8°C) at the time of visit 75 (23.4) 283 (9.2) <0.01
Contact history 196 (61.3) 1,232 (40.1) <0.01
Symptomatic 257 (80.3) 1,803 (58.7) <0.01
Symptom duration (d) 5.0±6.8 3.2±5.9 <0.01a
Symptom
Cough 154 (48.1) 876 (28.5) <0.01
Sputum 104 (32.5) 646 (21.0) <0.01
Myalgia 95 (29.7) 467 (15.2) <0.01
Fever 82 (25.6) 479 (15.6) <0.01
Sore throat 79 (24.7) 767 (25.0) 0.907
Chill 64 (20.0) 350 (11.4) <0.01
Dyspnea 32 (10.0) 196 (6.4) 0.014
Headache 25 (7.8) 200 (6.5) 0.375
Chest pain 11 (3.4) 76 (2.5) 0.300
Diarrhea 10 (3.1) 33 (1.1) 0.006b
Dizziness 9 (2.8) 22 (0.7) 0.002b
Rhinorrhea, nasal obstruction 9 (2.8) 58 (1.9) 0.259
Nausea, vomiting 6 (1.9) 25 (0.8) 0.066b
Abdominal pain 5 (1.6) 13 (0.4) 0.022b

Values are presented as number (%) or mean±standard deviation.

P-value by chi-square.

aP-value by t-test. bP-value by Fisher’s exact test.

Korean J Fam Pract 2021;11:164~169 https://doi.org/10.21215/kjfp.2021.11.3.164
© KJFP