Table 1

Patient demographics and baseline characteristics in the PLANETAS extension study (ITT population)

Variable*Maintenance group† (n=88)Switch group‡ (n=86)
Age, years35.5 (18–69)39.0 (18–66)
Gender, n (%)
 Male68 (77.3)74 (86.0)
 Female20 (22.7)12 (14.0)
Ethnicity, n (%)
 Caucasian70 (79.5)61 (70.9)
 Asian10 (11.4)11 (12.8)
 Other8 (9.1)14 (16.3)
Height, cm172.3 (148.0–198.0)172.2 (147.0–191.0)
Weight, kg72.0 (45.0–120.0)76.8 (45.5–122.7)
Body mass index, kg/m224.4 (18.0–38.7)26.3 (18.2–42.0)
ASDAS-CRP, mean (SD)3.86 (0.84)3.85 (1.09)
BASDAI score, n (%)
 <865 (73.9)69 (80.2)
 ≥823 (26.1)17 (19.8)
  • Data shown were recorded at the baseline visit of the preceding 54-week, randomised, parallel-group study.

  • *Except where indicated otherwise, values are median (range).

  • †Patients treated with CT-P13 during the 54 weeks of the main study and the 48-week extension study.

  • ‡Patients treated with RP during the 54 weeks of the main study and then switched to CT-P13 during the 48-week extension study.

  • ASDAS, Ankylosing Spondylitis Disease Activity Score; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; CRP, C reactive protein; ITT, intent-to-treat; RP, reference product.