Research Article

Improvement of Disease Management and Cost Effectiveness in Chinese Patients with Ankylosing Spondylitis Using a Smart-Phone Management System: A Prospective Cohort Study

Table 2

Treatment regimens with various drug combinations in patient groups based on different disease durations.

Characteristics All patients with AS (n=958)Duration≤5 years 
(n=305)
Duration>5 years and ≤10 years 
(n=332)
Duration >10 years 
(n=321)
P valu

NSAIDs, %98.297.799.197.80.329
TNFi, %20.818.722.321.20.522
csDMARDs, %66.465.668.165.40.723
 Sulfasalazine25.232.825.617.40.001
 Leflunomide13.515.113.012.50.595
 Methotrexate3.35.22.72.20.075
 Thalidomide23.713.825.031.8<0.001
TCM, %62.461.063.063.20.819
Treatment regimen, %
 NSAIDs monotherapy22.526.020.321.6
 TNFi monotherapy0.61.00.30.6
 NSAIDs + csDMARDs56.354.657.956.2
 NSAIDs + TNFi10.37.211.511.9
 NSAIDs + TNFi + csDMARDs9.510.210.08.4

AS: ankylosing spondylitis; NSAIDs: nonsteroidal anti-inflammatory drugs; TNFi: TNF inhibitors; csDMARDs: conventional synthetic disease modifying antirheumatic drugs; TCM: traditional Chinese medicine. P < 0.05.