Table 1

Most common co-morbidities in cohort with rheumatoid arthritis (N = 62,681, all ages)*

Condition (ICD-9 code)

Number of persons

Percent


4019 Hypertension NOS

12,773

20.4%

4011 Benign hypertension

12,482

19.9%

78650 Chest pain NOS

8,742

13.9%

2724 Hyperlipidemia NEC/NOS

8,690

13.9%

25000 Diabetes Mellitus II without complication

7,504

12.0%

78079 Malaise & fatigue NEC

6,046

9.6%

5990 Urinary tract infection NOS

5,965

9.5%

78900 Abdominal pain unspecified site

5,712

9.1%

7862 Cough

5,649

9.0%

2449 Hypothyroidism NOS

5,524

8.8%

78605 Shortness of breath

5,516

8.8%

4660 Acute bronchitis

5,400

8.6%

2720 Pure hypercholesterolemia

5,046

8.1%

4619 Acute sinusitis NOS

4,833

7.7%

2859 Anemia NOS

4,632

7.4%

73300 Osteoporosis NOS

4,529

7.2%

41401 Coronary atherosclerosis native vessel

4,325

6.9%

53081 Esophageal reflux

4,288

6.8%

7020 Actinic keratosis

4,249

6.8%

73390 Bone & cartilage disease NOS

4,113

6.6%

4659 Acute upper respiratory infection NOS

4,112

6.6%

496 Chronic airway obstruct NEC

4,041

6.4%

36616 Senile nuclear cataract

3,914

6.2%

78609 Respiratory abnormality NEC

3,605

5.8%

7840 Headache

3,246

5.2%

41400 Coronary atherosclerosis unspec. vessel

3,002

4.8%


* Excluded arthritis/RA-related codes ICD 710-729; 996.4.

NOS: Not otherwise specified NEC: Not elsewhere classified

Petri et al. BMC Musculoskeletal Disorders 2010 11:247   doi:10.1186/1471-2474-11-247

Open Data