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Table 1 Counts (> 1%) of antibiotic types prescribed with recent record of selected infections stratified by quintile of prior antibiotic use (CPRD) (multiple types of antibiotics prescribed on the same date were counted separately)

From: The effectiveness of frequent antibiotic use in reducing the risk of infection-related hospital admissions: results from two large population-based cohorts

 Quintile of prior antibiotic use
LowestLowMiddleHighHighest
Amoxicillin814,864 (52.5%)321,935 (47.6%)440,600 (45.0%)416,928 (41.8%)351,691 (35.1%)
Phenoxymethylpenicillin232,338 (15.0%)85,338 (12.6%)107,876 (11.0%)82,831 (8.3%)40,654 (4.1%)
Trimethoprim151,562 (9.8%)68,977 (10.2%)103,894 (10.6%)110,187 (11.1%)116,739 (11.6%)
Erythromycin117,147 (7.6%)58,666 (8.7%)87,729 (9.0%)88,363 (8.9%)69,914 (7.0%)
Clarithromycin62,377 (4.0%)36,836 (5.4%)59,371 (6.1%)69,151 (6.9%)75,576 (7.5%)
Cefalexin51,594 (3.3%)30,730 (4.5%)51,907 (5.3%)64,302 (6.5%)90,273 (9.0%)
Doxycycline36,885 (2.4%)20,944 (3.1%)34,639 (3.5%)41,802 (4.2%)55,612 (5.5%)
Nitrofurantoin24,476 (1.6%)16,431 (2.4%)30,105 (3.1%)41,386 (4.2%)68,578 (6.8%)
Flucloxacillin22,738 (1.5%)11,063 (1.6%)16,581 (1.7%)17,847 (1.8%)18,730 (1.9%)
Ciprofloxacin14,853 (1.0%)11,451 (1.7%)21,166 (2.2%)29,869 (3.0%)56,727 (5.7%)
Cefaclor7662 (0.5%)5000 (0.7%)8372 (0.9%)10,583 (1.1%)13,531 (1.3%)