Table 1.
Characteristics of patients by group
| Characteristic | Intervention group (n=281)a | Control group (n = 262),a | Total (n = 543)a | P-value |
|---|---|---|---|---|
| Male | 103(36.7) | 99 (37.8) | 202 (37.2) | 0.404 |
| Mean age, (SD) years | 31.8(11.5) | 31.5(11.4) | 31.7(11.4) | 0.688 |
| Fever | 199(70.8) | 190(72.5) | 389(71.6) | 0.533 |
| Tonsillar exudate | 141 (50.2) | 140(53.4) | 281 (51.7) | 0.379 |
| Tender cervical lymph nodes | 114(40.6) | 106(40.5) | 220 (40.5) | 0.942 |
| Absence of cough | 211 (75.1) | 195(74.4) | 406 (74.8) | 0.977 |
| Abrupt onset | 126(44.8) | 109(41.6) | 235 (43.3) | 0.952 |
| Number of Centor criteria | 0.898 | |||
| 1 | 70 (24.9) | 61 (23.3) | 131 (24.1) | |
| 2 | 89 (31.7) | 82 (31.3) | 171 (31.5) | |
| 3 | 76 (27.0) | 74 (28.2) | 150 (27.6) | |
| 4 | 46 (16.4) | 45 (17.2) | 91 (16.8) | |
a
Values are n (%) unless otherwise stated. SD = standard deviation.