Table 4.
Pre-post analysis of health care resource utilization and associated costs (in US$)
| Baseline period | Follow-up period | ||||
|---|---|---|---|---|---|
| n/Mean | %/SD | n/Mean | %/SD | p value | |
| All-cause health care resource utilization | |||||
| Any ER visit | 102 | 47.7% | 81 | 37.9% | 0.013 |
| Number of ER visits | 1.2 | 2.3 | 1.1 | 3 | 0.405 |
| Any inpatient stay | 89 | 41.6% | 62 | 29.0% | 0.004 |
| Number of inpatient stays | 0.7 | 1 | 0.5 | 1.1 | 0.083 |
| Length of inpatient stay, days | 8.1 | 8.8 | 8.8 | 12.7 | 0.233 |
| CD-related health care resource utilization | |||||
| Any ER visit | 74 | 34.6% | 42 | 19.6% | < 0.001 |
| Number of ER visits | 0.6 | 1.4 | 0.4 | 1.6 | 0.018 |
| Any inpatient stay | 87 | 40.7% | 60 | 28.0% | 0.004 |
| Number of inpatient stays | 0.6 | 0.9 | 0.5 | 1 | 0.077 |
| Any CD Surgery | 148 | 69.2% | 134 | 62.6% | 0.144 |
| # of any CD Surgeries | 1.4 | 1.8 | 1 | 1.1 | 0.010 |
| Length of inpatient stay, days | 7.5 | 8.6 | 8.4 | 11.4 | 0.246 |
| All-cause health care costs | |||||
| ER cost | $2182 | $6132 | $1373 | $3752 | 0.013 |
| Inpatient costs | $14,054 | $28,136 | $12,368 | $30,846 | 0.500 |
| CD-related health care costs | |||||
| ER cost | $1293 | $4527 | $478 | $1824 | 0.002 |
| Inpatient cost | $12,701 | $27,078 | $10,873 | $28,598 | 0.457 |
| CD Surgery costs | $6534 | $13,920 | $6606 | $21,906 | 0.967 |
p values < 0.05 were considered significant
CD Crohn’s disease; SD standard deviation; UST ustekinumab