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. 2019 Aug 12;5(2):e001016. doi: 10.1136/rmdopen-2019-001016

Table 2.

(A): Health utilisation, and (B) health costs per patient 12 months before and after switch, unadjusted and adjusted (=predicted)* n=1620 patients

(A) Total health utilisation per patient Unadjusted number, mean (SD) Adjusted number, mean (95% CI)*
Preswitch Post-switch Preswitch Postswitch
Outpatient Number of outpatient visits 12.30 (9.40) 13.31 (9.75) 9.42 (7.91 to 11.22) 11.09 (9.34 to 13.16)
Inpatient services Number of inpatient admissions 0.25 (0.64) 0.11 (0.40) 0.15 (0.03 to 0.67) 0.06 (0.01 to 0.69)
Number of days in hospital 1.19 (5.26) 0.49 (2.73) 0.66 (0.06 to 7.25) 0.20 (0.004 to 10.47)
Medication† Pain medication 171 (254) 170 (250) 168 (88 to 320) 165 (86 to 315)
Other medication 937 (1119) 955 (1135) 659 (355 to 1223) 678 (364 to 1262)
Total 1108 (1225) 1124 (1241) 832 (447 to 1549) 848 (455 to 1584)
(B) Total health costs per patient Unadjusted average cost, mean (SD) Adjusted average cost, mean (95% CI)*
Preswitch, € Postswitch, € Preswitch, € Postswitch, €
Inpatient services Diseases of the musculoskeletal system and connective tissue 315 (1645) 306 (2330) 122 (58 to 258) 385 (144 to 1030)
Other diseases 1014 (4326) 1121 (4607) 491 (268 to 902) 297 (150 to 587)
Total 1330 (4720) 1428 (5501) 660 (355 to 1227) 500 (255 to 977)
Outpatient services Diseases of the musculoskeletal system and connective tissue 4445 (6898) 4700 (7381) 4051 (2171 to 7559) 4040 (2150 to 7589)
Other diseases 860 (2623) 1069 (3498) 368 (197 to 688) 484 (253 to 928)
Total 5305 (7369) 5769 (8107) 4436 (2529 to 7779) 4593 (2618 to 8059)
Primary sector† General practitioner 201 (208) 208 (218) 171 (93 to 314) 174 (95 to 318)
Other practicing specialist 105 (229) 103 (211) 98 (53 to 180) 89 (48 to 164)
Physiotherapist, chiropractor, foot specialist 397 (807) 384 (801) 423 (222 to 807) 388 (200 to 751)
Other 75 (112) 70 (97) 66 (35 to 124) 63 (33 to 118)
Total 778 (936) 765 (921) 756 (408 to 1404) 709 (381 to 1321)
Medication‡ Pain medication 75 (239) 74 (231) 63 (33 to 119) 62 (32 to 118)
Other medication 391 (638) 372 (595) 255 (136 to 478) 250 (134 to 466)
Total 466 (721) 446 (682) 321 (172 to 601) 312 (167 to 584)
Total costs 7880 (9427) 8408 (10489) 6176 (3685 to 10353) 6264 (3741 to 10491)

*Predicted costs are for female, 55 years old, not dead in the postswitch period, not withdrawn SB4 within 0–180 days, previous duration of ETA treatment >5 years and with no previous comorbidities.

†For primary sector, no specific data are available for health utilisation thus only costs are shown.

‡Defined daily dose of medication total costs.