Throat culture result1 | Antibiotics2 | Pharyngotonsillitis | Complication | Peritonsillitis3 | Tonsillectomy | ||
---|---|---|---|---|---|---|---|
30 d | 30 d | 60 d | 30 d | 60 d | 90 d | ||
S. pyogenes | All | 30/190 (16%) | 1/190 (0.53%) | 3/188 (1.6%) | 1/190 (0.53%) | 1/188 (0.53%) | 0/185 |
Antibiotics + | 21/143 (15%) | 1/143 (0.70%) | 2/142 (1.4%) | 1/143 (0.70%) | 1/142 (0.7%) | 0/140 | |
Antibiotics − | 9/47 (19%) | 0/47 | 1/46 (2.2%) | 0/47 | 0/46 (0%) | 0/45 | |
p | 0.5 | 1† | 0.6† | 1† | 1† | - | |
S. dysgalactiae ssp. equisimilis4 | All | 37/171 (22%) | 2/171 (1.2%) | 2/170 (1.2%) | 2/171 (1.2%) | 2/170 (1.2%) | 0/168 |
Antibiotics + | 13/87 (15%) | 2/87 (2.3%) | 2/86 (2.3%) | 2/87 (2.3%) | 2/86 (2.3%) | 0/85 | |
Antibiotics − | 24/84 (29%) | 0/84 (0%) | 0/84 (0%) | 0/84 (0%) | 0/84 (0%) | 0/83 | |
p | 0.03 | 0.5† | 0.5† | 0.5† | 0.5† | - | |
F. necrophorum5 | All | 16/75 (21%) | 9/75 (12%) | 10/75 (13%) | 8/75 (11%) | 9/75 (12%) | 4/72 (5.6%) |
Antibiotics + | 11/41 (27%) | 3/41 (7.3%) | 4/41 (9.8%) | 2/41 (4.9%) | 3/41 (7.3%) | 1/38 (2.6%) | |
Antibiotics − | 5/34 (15%) | 6/34 (18%) | 6/34 (18%) | 6/34 (18%) | 6/34 (18%) | 3/34 (8.8%) | |
p | 0.2 | 0.3† | 0.5† | 0.1† | 0.3† | 0.3† | |
Negative (extended cultures only) | All | 89/381 (23%) | 22/381 (5.8%) | 23/370 (6.2%) | 19/381 (5.0%) | 19/370 (5.1%) | 9/363 (2.5%) |
Antibiotics + | 56/194 (29%) | 16/194 (8.2%) | 17/188 (9.0%) | 15/194 (7.7%) | 15/188 (8.0%) | 4/184 (2.2%) | |
Antibiotics − | 33/187 (18%) | 6/187 (3.2%) | 6/182 (3.3%) | 4/187 (2.1%) | 4/182 (2.2%) | 5/179 (2.8%) | |
p | 0.01 | 0.04 | 0.02 | 0.01 | < 0.001 | 0.8 |