Table 6 Cost analysis regarding image test and antibiotic prescription
|  | Total N = 194 | EG N = 96 | CG N = 98 | p-value |
|---|---|---|---|---|
CXR | ||||
 n, % | 247 (100) | 116 (47) | 131 (53) |  |
 mean (DS) | – | 1.21 (0.43) | 1.34 (0.63) | 0.076 |
 Total CXR costs (€) | 3705 | 1740 | 1965 |  |
LUS | ||||
 n, % | 507 (100) | 250 (49) | 257 (51) | 0.819 |
 Mean (DS) | – | 2.60 (0.66) | 2.62 (0.58) |  |
 Total LUS costs (€) | 12168 | 6000 | 6168 |  |
 (A) Total image costs (€) | 15873 | 7740 | 8133 |  |
|  | Total N = 194 | EG N = 96 | CG N = 98 | p-value |
|---|---|---|---|---|
Antibiotic | ||||
 n, % | 144 (74.2) | 67 (69.8) | 77 (78.6) | 0.217 |
 Duration, median (IQR) | 7 (6–7) | 7 (7–7) | 7 (5–7) |  |
 Total days of antibiotic | 1008 | 469 | 539 |  |
 (B) Total antibiotic costs (€) | 5040 | 2325 | 2695 |  |
 (A + B) Total costs (€) | 20913 | 10065 | 10828 |  |