Table 2 Baseline characteristics of hospital visitors for lumbar DDD between 2016 and 2019.

From: Practice variation in surgical treatment for lumbar degenerative disc disease: exploring regional and hospital factors influencing surgical rates

Variables

Lumbar DDDa patients (n = 119148b)

Surgical patients (n = 14840b)

Hospital type, n (%)

 University hospital

3962 (3)

609 (4)

 Teaching hospital

55,603 (47)

7338 (49)

 General hospital

43,744 (37)

4331 (29)

 Private clinic

15,839 (13)

2563 (17)

Lumbar injection, n (%)

  

 Yes

17,721 (15)

2338 (16)

 No

101,427 (85)

12,502 (84)

Prescription of opioids, n (%)

 Yes

54,850 (46)

9985 (67)

 No

64,298 (54)

4856 (33)

Referred patientsc, n (%)

10,116 (8)

4261 (29)

Referral center, n (%)

17,987 (15)

3586 (24)

  1. aDegenerative disc disease.
  2. bAverage per year.
  3. cReferral between hospitals.
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