Table 1 Distribution of Age, Gender Index LBP Diagnostic Category, and RxRisk Comorbidty Category by LBP Episodes for 16,567 Patients Identified with LPB

Age at First Back Pain

18–24 (752)

5.2

4.1

2.9

1.1

4.5

25–34 (1760)

11.3

10.1

8.8

7.3

10.6

35–44 (3668)

23.4

21.0

17.8

18.6

22.2

45–54 (4116)

24.6

24.0

27.0

27.1

24.8

55–64 (2759)

16.3

17.0

18.2

17.4

16.7

65–74 (2221)

12.2

15.2

16.0

18.7

13.4

75–84 (1051)

5.8

7.2

7.6

8.8

6.3

85+ (240)

1.4

1.5

2.0

1.2

1.5

<.0001

Male (7679)

46.9

45.6

45.4

43.3

46.4

0.087

Index Diagnosis Category

I (13,416)

84.0

81.2

72.0

56.7

81.0

II (1,592)

8.6

9.6

14.5

12.7

9.6

III: (1,114)

5.7

7.1

10.6

26.2

6.9

IV: (445)

2.7

2.2

2.9

4.6

2.5

<.0001

Prevalence Of RxRisk Comorbidity*

Anxiety (2026)

10.8

14.9

15.8

15.5

12.2

<.0001

Asthma/COPD (1978)

11.2

13.1

14.1

14.4

12.0

<.0001

Cardiac Disease (1134)

6.4

7.3

8.3

9.0

6.8

0.0005

CVD/PVD (495)

2.8

3.4

3.2

3.9

3.0

0.10

Depression (2227)

12.3

14.5

16.6

18.6

13.4

<.0001

Diabetes (854)

4.8

5.8

6.5

5.1

5.2

0.004

GI Disease (2100)

12.5

13.6

16.2

18.6

12.7

<.0001

HD/Hyperten (2327)

13.1

15.5

16.6

16.7

14.0

<.0001

Hyperlipidemia (1035)

5.7

6.8

7.1

10.0

6.2

<.0001

Hypertension (3212)

17.6

21.0

26.1

24.4

19.4

<.0001

Inflammation (2598)

14.0

18.3

20.6

18.6

15.6

<.0001

Psychosis (398)

2.2

2.6

3.0

3.1

2.4

0.073

Rheum Arthritis (732)

3.9

5.4

5.6

5.7

4.4

<.0001

Thyroid Disease (1301)

7.4

8.3

8.9

10.2

7.9

0.003