Table 2.
Descriptive data of 8558 individuals with decompression surgery 2008–2010 and two matched comparison groups: (a) individuals with dorsopathies, but no surgery 2008–2010 and (b) the general population without dorsopathies or surgery 2001–2013.
| Surgery (N = 8558) | Comparison group 1: Dorsopathy, no surgery (N = 8558) | Comparison group 2: General population (N = 8558) | |
|---|---|---|---|
| Sociodemographic factors | |||
| Type of living area | |||
| Big cities | 3314 (38.7) | 3405 (39.8) | 3122 (36.5) |
| Medium sized cities | 2918 (34.1) | 2852 (33.3) | 2966 (34.7) |
| Small town | 2326 (27.2) | 2301 (26.9) | 2470 (28.9) |
| Family situation | |||
| Married or cohabiting/with no children at home | 1461 (17.1) | 1372 (16.0) | 1351 (15.8) |
| Married or cohabiting/with children at home | 3744 (43.7) | 3626 (42.4) | 3642 (42.6) |
| Single with no children at home | 2514 (29.4) | 2740 (32.0) | 2858 (33.4) |
| Single with children at home | 839 (9.8) | 820 (9.6) | 707 (8.3) |
| Unemployment in the year before inclusion | |||
| No unemployment | 7810 (91.3) | 7692 (89.9) | 7793 (91.1) |
| 1–179 days | 555 (6.5) | 635 (7.4) | 555 (6.5) |
| ≥180 days | 193 (2.3) | 231 (2.7) | 210 (2.5) |
| Clinical factors | |||
| Work disability a 3 years before inclusion | 6046 (70.7) | 4709 (55.0) | 2333 (27.3) |
| Work disability 3 years after inclusion | 7605 (88.9) | 5041 (58.9) | 2282 (26.7) |
| Previous and current dorsopathies | |||
| Dorsopathiesb 3 years before inclusion | 7454 (87.1) | 989 (11.6) | — |
| Fusion surgery at inclusion | 1580 (18.5) | — | — |
| Other Somatic diagnoses c 3 years before and at inclusion | 5720 (66.8) | 5959 (69.6) | 4215 (49.3) |
| Analgesics d 1 years before inclusion | |||
| No Analgesics | 1644 (19.2) | 4501 (52.6) | 7615 (89.0) |
| Low dose (0–0.5 DDDe) | 4910 (57.4) | 3130 (36.6) | 806 (9.4) |
| Medium dose (0.5–1.5 DDD) | 1575 (18.4) | 635 (7.4) | 101 (1.2) |
| High dose (>1.5 DDD) | 429 (5.0) | 292 (3.4) | 36 (0.4) |
| Previous mental disorders | |||
| Common mental disorders f 3 years before and at inclusion | 526 (6.2) | 677 (7.9) | 291 (3.4) |
| Other mental diagnoses g 3 years before and at inclusion | 446 (5.2) | 581 (6.8) | 331 (3.9) |
| Anxiolytics h 1 year before inclusion | |||
| No Anxiolytics | 7341 (85.8) | 7546 (88.2) | 8161 (95.4) |
| Low dose (0–0.5 DDD) | 1048 (12.3) | 820 (9.6) | 323 (3.8) |
| Medium dose (0.5–1.5 DDD) | 113 (1.3) | 116 (1.4) | 50 (0.6) |
| High dose (>1.5 DDD) | 56 (0.7) | 76 (0.9) | 24 (0.3) |
| Hypnotics/Sedatives i 1 year before inclusion | |||
| No Hypnotics/Sedatives | 7161 (83.7) | 7277 (85.0) | 7981 (93.3) |
| Low dose (0–0.5 DDD) | 787 (9.2) | 744 (8.7) | 341 (4.0) |
| Medium dose (0.5–1.5 DDD) | 396 (4.6) | 360 (4.2) | 162 (1.9) |
| High dose (>1.5 DDD) | 214 (2.5) | 177 (2.1) | 74 (0.9) |
| Antidepressants j 1 year before inclusion | |||
| No Antidepressants | 6846 (80.0) | 7028 (82.1) | 7801 (91.2) |
| Low dose (0–0.5 DDD) | 727 (8.5) | 606 (7.1) | 251 (2.9) |
| Medium dose (0.5–1.5 DDD) | 633 (7.4) | 601 (7.0) | 350 (4.1) |
| High dose (>1.5 DDD) | 352 (4.1) | 323 (3.8) | 156.8) |
aWork disability was defined as having had at least one day of reimbursed sickness absence or disability pension in this period.
bSpondylopathies, (International Classification of Diseases version 10 (ICD-10): M47.8, M47.9, M47.9 K, M48.0, M48.0 K, M48.8, M48.8 K and M48.8 W), Radiculopathies (ICD-10: M51.1, M51.1 K and M54.1) and other dorsopathies (ICD-10: M54.3, M54.4, M54.5, M53.8 and M53.9).
cAll diagnoses except mental diagnoses (F00-F99), dorsopathic diagnoses (M40-M54), uncomplicated delivery (ICD-10: O80), external causes of morbidity and mortality (ICD-10: V01-Y98), factors influencing health status and contact with health services (ICD-10: Z00-Z99), and codes for special purposes (ICD-10: U00-U89).
dAnatomical therapeutic chemical classification system (ATC) codes: N02A, N02B.
eDefined daily dose (DDD) is the assumed average maintenance dose per day for a drug used for its main indication in adults.
fICD-10: F32, F33 and F40- F43.
gICD-10: F00-F31, F34-F39 and F44-F99.
hATC Code N05B.
iATC Code N05C.
jATC code: N06.