| Retrospective cost questionnaire | Cost diary | ICC | p** |
---|---|---|---|---|
 | Mean (SD) | Mean (SD) |  |  |
Number of physician visits | 1.9 (1.9) | 2.2 (2.2) | 0.64 | 0.13 |
Inpatient days | 0.54 (2.1) | 0.54 (2.0) | 0.90 | 0.99 |
Days off work | 13.8 (14.9) | 15.7 (14.0) | 0.77 | 0.06 |
Number of drugs | 4.1 (1.5) | 3.9 (1.4) | 0.72 | 0.09 |
Cost of medical intake (€) | 2.9 (1.5) | 2.6 (1.3) | 0.57 | 0.04 |
Cost of medical aids (€) | 162.3 (258.6) | 175.5 (264.6) | 0.72 | 0.52 |