Table 6: Product complaints: number and percentage of patients by previous treatment (All Patients Set).

- - Naïve to bDMARDs Switch from another pen to SB4 pen Switch from syringe to SB4 pen Other bDMARD therapy Total
Parameter Response (N=348) (N=96) (N=59) (N=9) (N=512)
Injection procedure Missing .. .. 1 (-) .. 1 (-)
‘neutral’, ‘simple’ or ‘very simple’ 334 (96%) 93 (97%) 57 (98%) 9 (100%) 493 (96%)
‘difficult’ or ‘very difficult’ 14 (4%) 3 (3%) 1 (2%) .. 18 (4%)
Acoustic signal Missing 2 (-) .. 1 (-) .. 3 (-)
‘neutral’, ‘clear’, ‘very clear’ 334 (97%) 95 (99%) 58 (100%) 9 (100%) 496 (97%)
‘unclear’ or ‘very unclear’ 12 (3%) 1 (1%) .. .. 13 (3%)
Indication of completed injection Missing 1 (-) .. .. .. 1 (-)
‘neutral’, ‘clear’, ‘very clear’ 335 (97%) 92 (96%) 56 (95%) 9 (100%) 492 (96%)
‘unclear’ or ‘very unclear’ 12 (3%) 4 (4%) 3 (5%) .. 19 (4%)

bDMARD = Biological Disease-Modifying Antirheumatic Drug.