Table 1.
Characteristics, polymerase chain reaction result and antigen result of the study population based on antigen operator.
| Non-laboratory staff | Laboratory professionals | Total | |
|---|---|---|---|
| Patient number | 2914 | 9049 | 11,963 |
| Age | 52 (IQR: 38–67) | 57 (IQR: 42–70) | 56 (IQR: 41–69) |
| Sex | |||
| Male | 1359 (46.6%) | 4279 (47.3%) | 5638 (47.1%) |
| Female | 1555 (53.4%) | 4770 (52.7%) | 6325 (52.9%) |
| Department | |||
| ED | 1367 (46.9%) | 5968 (66%) | 7335 (61.3%) |
| OPD | 1320 (45.3%) | 3055 (33.8%) | 4375 (36.6%) |
| Ward | 227 (7.8%) | 26 (0.3%) | 253 (2.1%) |
| RT-PCR result | |||
| Positive | 976 (33.5%) | 297 (3.3%) | 1273 (10.6%) |
| Negative | 1938 (66.5%) | 8752 (96.7%) | 10,690 (89.4%) |
| E gene Ct value | 18.85 | 19.69 | 19.06 |
| (IQR: 16.26–21.82) | (IQR: 17.84–22.1) | (IQR: 16.72–21.87) | |
| Group of E gene Ct | |||
| <15 | 164 (5.6%) | 9 (0.1%) | 173 (1.4%) |
| 15–19.99 | 439 (15.1%) | 160 (1.8%) | 599 (5%) |
| 20–24.99 | 220 (7.5%) | 91 (1%) | 311 (2.6%) |
| 25–29.99 | 82 (2.8%) | 14 (0.2%) | 96 (0.8%) |
| >=30 | 71 (2.4%) | 23 (0.3%) | 94 (0.8%) |
| Antigen result | |||
| Positive | 795 (27.3%) | 238 (2.6%) | 1033 (8.6%) |
| Negative | 2119 (72.7%) | 8811 (97.4%) | 10,930 (91.4%) |
Ct = cycle threshold, ED = emergency department, IQR = interquartile range, OPD = outpatient department, RT-PCR = reverse transcription polymerase chain reaction.