Table 2.
Shortening of median duration of sore throat (days). Pairwise comparison* of seven day penicillin treatment with three and zero day penicillin treatment per throat culture result (β haemolytic streptococci)
| Throat culture | Colony counts | No of patients | Penicillin for 7 days versus
|
||||
|---|---|---|---|---|---|---|---|
| 3 days
|
0 days
|
||||||
| Days | P value | Days | P value | ||||
| All | 561 | 1.9 | <0.001 | 1.7 | <0.001 | ||
| Group A | 3+ | 254 | 2.5 | <0.001 | 2.5 | <0.001 | |
| Lower than 3+ | 26 | 2.5 | 0.08 | 2.4 | 0.09 | ||
| Non-group A | 3+ | 111 | 1.5 | 0.03 | 1.1 | 0.05 | |
| Lower than 3+ | 51 | 0.8 | 0.8 | 0.8 | 0.9 | ||
| Negative | 119 | 0.3 | 0.26 | 0.9 | 0.09 | ||
*
Wilcoxon (Gehan) analysis.