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Table 4 The 5 most frequently prescribed antibiotics for cystitis and pyelonephritis by patient age, 2006–2015

From: Consultations and antibiotic treatment for urinary tract infections in Norwegian primary care 2006–2015, a registry-based study

Cystitis Age Total Pivmecillinam Trimethoprim Nitrofurantoin Ciprofloxacin Sulfa-Trima Other
N % % % % % %
  0–9 64,338 19.1 45.0 5.6 0.3 16.8 13.1
10–19 81,836 61.6 22.5 4.8 2.7 4.4 4.1
20–29 168,771 64.1 17.8 6.2 3.4 3.6 4.9
30–39 134,920 61.1 18.4 7.1 4.5 4.0 4.9
40–49 140,210 58.1 19.8 7.3 6.1 4.7 4.0
50–59 146,576 55.3 19.3 8.3 7.7 5.3 4.1
60–69 173,693 51.6 18.9 9.4 9.5 5.9 4.6
70–79 162,037 49.5 19.6 10.4 10.1 5.8 4.6
80+ 132,382 47.8 20.5 10.6 10.4 5.7 5.0
Sum 1,204,763 53.9 20.8 8.1 6.7 5.6 5.0
Pyelonephritis Age Total Pivmecillinam Ciprofloxacin Sulfa-Trima Amoxicillin Trimethoprim Other
N % % % % % %
0–9 3389 30.9 1.0 27.6 12.7 9.4 18.3
10–19 5330 50.8 14.0 15.9 7.2 4.4 7.3
20–29 10,771 49.9 16.6 15.0 6.9 4.0 7.0
30–39 8334 46.5 18.8 14.4 6.8 4.7 8.1
40–49 8084 42.4 22.3 15.8 6.9 4.4 7.2
50–59 7886 39.6 25.7 15.1 7.1 4.1 7.3
60–69 7674 37.2 26.5 16.2 6.9 3.7 7.6
70–79 4825 34.4 27.5 16.2 7.3 4.1 8.2
80+ 3138 37.9 23.4 14.7 7.6 4.9 8.6
Sum 58,780 43.0 20.5 16.3 7.4 4.6 8.2
  1. All differences in type of antibiotic per age-group statistically significant by Chi-square test
  2. a Sulfamethoxazole-trimethoprim