Skip to main content

Table 4 Mean health care costs per patient per year for primary and secondary care IBS patients and their matched controls specified per year before and after diagnosis for IBS, chronic disorders, functional disorders and all other disorders (mean (SD) in Euro)

From: Comparison of medical costs generated by IBS patients in primary and secondary care in the Netherlands

  T = −3 Mean (SD) T = −2 Mean (SD) T = −1 Mean (SD) Mean annual before Mean (SD) T = +1 Mean (SD) T = +2 Mean (SD) T = +3 Mean (SD) Mean annual after Mean (SD) Mean dif Mean (SD) p value difference
Irritable bowel syndrome Primary care patients 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) <0.01×
  Secondary care patients 0 (0) 0 (0) 0 (0) 0 (0) 725 (866) 174 (520) 175 (468) 427 (745) 427 (572)  
  Primary care controls 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0.99
  Secondary care controls 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0)  
Chronic disorders Primary care patients 332 (2074) 161 (543) 211 (1213) 289 (1151) 271 (1063) 407 (1819) 312 (1319) 100 (1299) <0.01×
  Secondary care patients 318 (2373) 326 (1649) 379 (2017) 352 (1967) 600 (2659) 652 (2522) 684 (2407) 635 (2564) 282 (2337)  
  Primary care controls 189 (1095) 236 (1295) 222 (1239) 212 (1137) 309 (1600) 413 (1924) 294 (1523) 72 (1473) 0.38
  Secondary care controls 385 (2120) 398 (2314) 354 (1783) 373 (2021) 395 (2926) 379 (2187) 411 (2500) 393 (2611) 20 (2386)  
Functional disorders Primary care patients 21 (83) 67 (390) 54 (330) 30 (236) 41 (228) 17 (141) 31 (214) −23 (241) <0.01×
  Secondary care patients 27 (242) 32 (262) 40 (289) 36 (274) 55 (346) 58 (478) 60 (365) 57 (399) 21 (353)  
  Primary care controls 42 (440) 6 (57) 17 (242) 12 (134) 9 (96) 13 (112) 11 (117) −6 (149) 0.32
  Secondary care controls 17 (214) 18 (218) 17 (182) 17 (199) 19 (223) 16 (151) 15 (136) 17 (185) 0 (191)  
All other disordersa Primary care patients 815 (1752) 860 (2382) 847 (2210) 1026 (2312) 1080 (2585) 1120 (2215) 1067 (2384) 221 (2351) <0.01×
  Secondary care patients 794 (2863) 705 (2064) 1081 (2828) 915 (2616) 2315 (5429) 1794 (5322) 1896 (4882) 2054 (5292) 1139 (4395)  
  Primary care controls 360 (954) 633 (2005) 553 (1767) 598 (1880) 730 (2234) 625 (1407) 650 (1911) 97 (1885) 0.26
  Secondary care controls 857 (4107) 903 (3968) 971 (5630) 932 (4925) 880 (4197) 937 (4294) 1016 (4212) 927 (4233) 5 (4530)  
  1. T = −3 indicates three years before diagnosis, T = +1 one year after diagnosis and so forth
  2. aExcluding irritable bowel syndrome, chronic disorders, functional disorders and psychiatric disorders; ×: significant difference at alpha = 0.05; ∂: p value for the difference in increase of costs between primary and secondary care subjects