Aetiological test | Antibiotics1 | Pharyngotonsillitis | Complication | Peritonsillitis2 | Tonsillectomy | ||
---|---|---|---|---|---|---|---|
30 d | 30 d | 60 d | 30 d | 60 d | 90 d | ||
RADT for GAS | |||||||
Positive | PcV | 652/7685 (8.5%) | 108/7685 (1.4%) | 169/7504 (2.3%) | 23/7685 (0.30%) | 27/7504 (0.36%) | 16/7358 (0.22%) |
Clindamycin | 37/333 (11%) | 10/333 (3.0%) | 14/331 (4.2%) | 4/333 (1.2%) | 4/331 (1.2%) | 3/328 (0.91%) | |
Cefadroxil | 31/340 (9.1%) | 5/340 (1.5%) | 7/335 (2.1%) | 2/340 (0.59%) | 2/335 (0.60%) | 1/331 (0.30%) | |
p | 0.2 | 0.07† | 0.06 | 0.02† | 0.04† | 0.04† | |
Negative | PcV | 145/1604 (9.0%) | 25/1604 (1.6%) | 33/1582 (2.1%) | 10/1604 (0.62%) | 13/1582 (0.82%) | 3/1564 (0.19%) |
Clindamycin | 25/178 (14%) | 5/178 (2.8%) | 6/176 (3.4%) | 5/178 (2.8%) | 5/176 (2.8%) | 2/174 (1.1%) | |
Cefadroxil | 13/115 (11%) | 1/115 (0.87%) | 2/115 (1.7%) | 0/115 | 0/115 | 1/115 (0.87%) | |
p | 0.08 | 0.4† | 0.4† | 0.02† | 0.046† | 0.052† | |
Throat culture3 | |||||||
S. pyogenes | PcV | 15/101 (15%) | 1/101 (0.99%) | 1/100 (1.0%) | 1/101 (0.99%) | 1/100 (1.0%) | 0/98 |
Clindamycin | 3/19 (16%) | 0/19 | 0/19 | 0/19 | 0/19 | 0/19 | |
Cefadroxil | 3/19 (16%) | 0/19 | 1/19 (5.3%) | 0/19 | 0/19 | 0/19 | |
p | 1† | 1† | 0.5† | 1† | 1† | - | |
S. dysgalactiae ssp. equisimilis4 | PcV | 10/64 (16%) | 2/64 (3.1%) | 2/63 (3.2%) | 2/64 (3.1%) | 2/63 (3.2%) | 0/62 |
Clindamycin | 3/13 (23%) | 0/13 | 0/13 | 0/13 | 0/13 | 0/13 | |
Cefadroxil | 0/8 | 0/8 | 0/8 | 0/8 | 0/8 | 0/8 | |
p | 0.5† | 1† | 1† | 1† | 1† | - | |
F. necrophorum5 | PcV | 7/25 (28%) | 1/25 (4.0%) | 2/25 (8.0%) | 0/25 | 1/25 (4.0%) | 1/22 (4.5%) |
Clindamycin | 4/15 (27%) | 2/15 (13%) | 2/15 (13%) | 2/15 (13%) | 2/15 (13%) | 0/15 | |
Cefadroxil | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | |
p | 1† | 0.6† | 0.6† | 0.1† | 0.6† | 1† | |
Negative | PcV | 83/318 (26%) | 20/318 (6.3%) | 23/311 (7.4%) | 17/318 (5.3%) | 18/311 (5.8%) | 4/307 (1.3%) |
Clindamycin | 17/70 (24%) | 6/70 (8.6%) | 7/70 (10%) | 6/70 (8.6%) | 6/70 (8.6%) | 2/69 (2.9%) | |
Cefadroxil | 9/24 (38%) | 0/24 | 0/24 | 0/24 | 0/24 | 0/23 | |
p | 0.4 | 0.4† | 0.3† | 0.3† | 0.4† | 0.5† |