From: The clinical back pain courses described by information available in Danish central registries
Total | 2011–2013 | 2014–2015 | 2016–2017 | ||
---|---|---|---|---|---|
Model I: | Number | 64,757 | 25,196 | 19,355 | 20,206 |
At least six months between courses | Number of patients started # course during study period | ||||
first | 55,441 (85.6%) | 23,638 (93.8%) | 16,077 (83.1%) | 15,726 (77.8%) | |
second | 7842 (12.1%) | 1492 (5.9%) | 2780 (14.4%) | 3570 (17.7%) | |
third or more | 1474 (2.3%) | 66 (0.3%) | 498 (2.5%) | 910 (4.5%) | |
Days of clinical course | |||||
Median (25%;75%) | 48 (8;113) | 60 (15; 132) | 43 (1; 107) | 39 (1; 95) | |
Days between clinical course | |||||
Median (25%;75%) | 525 (308; 926) | 324 (253; 489) | 482 (301; 790) | 728 (386; 1232) | |
Model II: | Number | 60,914 | 23,763 | 18,085 | 19,066 |
At least one year between courses | Number of patients started # course during study period | ||||
first | 55,031 (82.5%) | 23,194 (97.6%) | 16,101 (89.0%) | 15,736 (82.5%) | |
second | 5433 (8.9%) | 568 (2.3%) | 1900 (10.5%) | 2965 (15.6%) | |
third or more | 442 (0.7%) | 84 (0.5%) | 357 (1.9%) | ||
Days of clinical course | |||||
Median (25%;75%) | 55 (13;143) | 70 (22; 164) | 49 (8; 134) | 43 (3; 121) | |
Days between clinical course | |||||
Median (25%;75%) | 760 (526; 1139) | 525 (434; 645) | 681 (493; 953) | 931 (602; 1381) | |
Model III: | Number | 60,173 | 22,790 | 16,810 | 17,728 |
At least two years between courses | Number of patients started # course during study period | ||||
first | 57,338 (95.1%) | 22,718 (99.7%) | 16,027 (95.3%) | 15,758 (88.8%) | |
second or more | 2835 (4.9%) | 72 (0.3%) | 783 (4.7%) | 1970 (11.2%) | |
Days of clinical course | |||||
Median (25%;75%) | 64 (18;211) | 83 (28; 258) | 58 (14; 203) | 49 (8; 163) | |
Days between clinical course | |||||
Median (25%;75%) | 1108 (897; 1440) | 812 (764; 895) | 1009 (855; 1177) | 1212 (958; 1548) |