Table 1.
Selected Demographic and Clinical Characteristics of Symptomatic and Asymptomatic Children
| Xpert-RT-PCR | Sofia-Ag-RDT | Total | |||
|---|---|---|---|---|---|
| Positive | Negative | Positive | Negative | ||
| Symptomatic children—No. | 44 | 208 | 38 | 211 | 252 |
| Age (mean years, range) | 7.1 (0-16) | 5.5 (0.2-16) | 6.8 (0-16) | 5.5 (0.2-16) | 5.8 (0-16) |
| Sex (no. of children, %) | |||||
| Male | 19 (43) | 110 (53) | 16 (42) | 111 (53) | 129 (51) |
| Symptoms (no. of children, %) | |||||
| Fever | 20 (45) | 82 (39) | 20 (52) | 80 (38) | 102 (40) |
| Cough | 18 (41) | 101 (49) | 15 (39) | 101 (48) | 119 (47) |
| Congestion | 24 (55) | 136 (65) | 23 (60) | 135 (64) | 160 (63) |
| Headache | 14 (32) | 37 (18) | 12 (32) | 38 (18) | 51 (20) |
| Sore throat | 10 (23) | 49 (24) | 9 (24) | 49 (23) | 59 (23) |
| Loss of taste | 3 (7) | 2 (1) | 2 (5) | 3 (1) | 5 (2) |
| Abdominal pain | 1 (2) | 6 (3) | 0 (0) | 7 (3) | 7 (3) |
| Nausea | 2 (5) | 9 (4) | 1 (3) | 10 (5) | 11 (4) |
| Vomiting | 2 (5) | 9 (4) | 2 (5) | 9 (4) | 11 (4) |
| Diarrhea | 5 (11) | 9 (4) | 3 (8) | 10 (5) | 14 (6) |
| Myalgia | 2 (5) | 6 (3) | 2 (5) | 5 (2) | 8 (3) |
| Fatigue | 2 (5) | 9 (4) | 2 (5) | 9 (4) | 11 (4) |
| No. of symptoms (mean, range) | 2.4 (1-7) | 2.2 (1-5) | 2.5 (1-7) | 2.2 (1-5) | 2.3 (1-7) |
| No. of days of symptoms before test (mean, range) | 2.6 (1-5) | 2.6 (1-5) | 2.7 (1-5) | 2.6 (1-5) | 2.6 (1-5) |
| Children with known SARS-CoV-2 exposure (No., %) | 33 (75) | 49 (24) | 27 (71) | 54 (26) | 82 (33) |
| Avg. CT (mean, range) | 22.2 (12.5-38.4) | — | 21.2 (12.5-38.4) | 25.9 (15.1-33.5) | 22.2 (12.5-38.4) |
| Asymptomatic children | 14 | 124 | 10 | 128 | 138 |
| Age (mean years, range) | 6.6 (2-11) | 7.4 (0-15) | 6.7 (2-11) | 7.3 (0-15) | 7.3 (0-15) |
| Sex (no. of children, %) | |||||
| Male | 10 (71) | 67 (54) | 6 (60) | 71 (56) | 77 (56) |
| Reason for testing (no. of children, %) | |||||
| Exposure | 12 (86) | 104 (84) | 9 (90) | 107 (84) | 116 (84) |
| No. of days post-exposure to test (mean, range) | 4.1 (1-9) | 4.9 (1-26) | 4.4 (1-12) | 4.9 (1-26) | 4.8 (1-26) |
| Avg. CT (mean, range) | 26.7 (18.4-36.4) |
— | 22.3 (18.4-31.0) |
33.8 (28.3-38.1) |
26.7 (18.4-38.1) |
Abbreviations: CT, cycle threshold; RDT, rapid diagnostic tests; RT-PCR, reverse transcriptase-polymerase chain reaction.