Table 2

Discrimination of disease activity measurements between patients on ADA versus PBO

 ABILITY-2TIPES
Mean Δ from BL ADA (SD), N=82Mean Δ from BL PBO (SD), N=81SMDMean Δ from BL ADA (SD), N=19Mean Δ from BL PBO (SD), N=19SMD
PGA, 0–100 mm VAS−28.0 (26.0)*−16.2 (24.5)†−0.47−31.0 (23.3)−5.9 (21.4)−1.12
Patient global pain, 0–100 mm VAS−29.3 (24.6)−17.0 (24.4)†−0.50−21.9 (26.9)−0.6 (17.5)−0.93
PhGA, 0–100 mm VAS−32.7 (22.5)−18.2 (22.9)−0.64−19.8 (19.5)−4.1 (16.4)−0.87
ASDAS-CRP, 0–10 cm VAS−1.1 (1.1)‡−0.5 (0.9)§−0.63−1.5 (1.2)−0.6 (0.8)−0.89
BASDAI, 0–10 cm VAS−2.1 (2.3)−1.0 (2.2)†−0.50−1.9 (2.6)−0.3 (1.5)−0.73
 BASDAI #1−1.9 (2.6)−1.0 (2.6)−0.36−1.2 (3.6)−0.5 (2.3)−0.20
 BASDAI #2−1.2 (3.0)−0.0 (2.4)−0.42−1.7 (3.3)−0.8 (2.3)−0.33
 BASDAI #3−2.9 (2.9)−1.7 (2.9)−0.40−2.6 (3.5)−0.0 (1.5)−0.96
 BASDAI #4−2.7 (2.9)−1.2 (2.7)−0.54−1.8 (2.7)−0.1 (2.8)−0.62
 BASDAI #5−2.3 (2.8)−1.1 (2.7)−0.44−2.8 (3.3)−0.7 (2.1)−0.77
 BASDAI #6−1.8 (2.8)−1.2 (2.7)−0.21−1.2 (3.3)0.0 (2.2)−0.43
 BASDAI mean #5 and #6−2.1 (2.6)−1.2 (2.5)−0.35−2.0 (3.1)−0.3 (1.9)−0.64
SJC 76¶−3.6 (4.3)−3.1 (5.6)−0.10−2.5 (4.1)−0.4 (1.8)−0.67
TJC 78**−6.0 (8.7)−1.8 (8.4)−0.50−1.8 (9.2)1.7 (6.5)−0.45
CRP (mg/L)−5.8 (18.7)*−2.9 (11.0)†−0.18−5.7 (12.4)4.0 (22.9)−0.53
  • Observed data.

  • *N=81.

  • †N=80.

  • ‡N=80. §N=77.

  • ¶In TIPES, SJC was 0–66 joints.

  • **In TIPES, TJC was 0–68 joints and patient global pain was derived from the mean of BASDAI #3 and #4.

  • ADA, adalimumab; ASDAS-CRP, Ankylosing Spondylitis Disease Activity Score based on C-reactive protein; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BL, baseline; CRP, C-reactive protein; PBO, placebo; PGA, patient global assessment; PhGA, physician global assessment; SJC, swollen joint count; SMD, standardised mean difference; TIPES, Tnf Inhibition in PEripheral SpondyloArthritis; TJC, tender joint count; VAS, visual analogue scale; Δ, change.