Number of episodes and antibiotic treatment for AOM (cohort 1), tonsillitis (cohort 2), sinusitis (cohort 3) and sinusitis/acute URTIs of multiple and unspecified sites in combination (cohort 4) in Stockholm County from 2006 to 2015
| AOM | Tonsillitis | Sinusitis | Sinusitis/acute URTI unspecified | |||||
| No antibiotic treatment | Treated with antibiotics | No antibiotic treatment | Treated with antibiotics | No antibiotic treatment | Treated with antibiotics | No antibiotic treatment | Treated with antibiotics | |
| n, % | n, % | n, % | n, % | n, % | n, % | n, % | n, % | |
| 2006 | 6414 (12) | 47 657 (88) | 20 496 (27) | 54 998 (73) | 3744 (14) | 23 586 (86) | 108 735 (64) | 61 658 (36) |
| 2007 | 6971 (12) | 53 050 (88) | 23 262 (26) | 66 098 (74) | 4364 (14) | 26 703 (86) | 123 484 (64) | 68 564 (36) |
| 2008 | 8374 (13) | 55 350 (87) | 25 857 (27) | 71 041 (73) | 5065 (17) | 25 057 (83) | 138 906 (69) | 62 195 (31) |
| 2009 | 8260 (15) | 47 543 (85) | 27 007 (29) | 67 040 (71) | 5942 (22) | 21 440 (78) | 149 417 (74) | 51 323 (26) |
| 2010 | 10 266 (18) | 47 248 (82) | 27 024 (28) | 68 774 (72) | 7361 (26) | 20 737 (74) | 160 610 (76) | 52 044 (24) |
| 2011 | 8773 (18) | 41 111 (82) | 23 635 (25) | 70 060 (75) | 7531 (28) | 19 497 (72) | 167 915 (77) | 50 351 (23) |
| 2012 | 9464 (19) | 39 697 (81) | 24 299 (24) | 78 428 (76) | 8377 (30) | 19 988 (70) | 172 164 (78) | 49 398 (22) |
| 2013 | 7933 (19) | 33 613 (81) | 20 069 (27) | 54 321 (73) | 7150 (29) | 17 245 (71) | 160 925 (80) | 39 023 (20) |
| 2014 | 8271 (19) | 35 656 (81) | 20 794 (28) | 53 111 (72) | 6453 (28) | 16 376 (72) | 161 070 (81) | 38 395 (19) |
| 2015 | 7858 (19) | 34 437 (81) | 19 956 (27) | 53 786 (73) | 6949 (29) | 16 771 (71) | 172 759 (82) | 38 556 (18) |
| 2006–2015 | 82 584 (16) | 435 362 (84) | 232 399 (27) | 637 657 (73) | 62 936 (23) | 207 400 (77) | 1 515 985 (75) | 511 507 (25) |
AOM, acute otitis media; URTI, upper respiratory tract infection.