Table 3 Costs of EGFR testing, erlotinib and afatinib prescriptions
| Â | Costs to Medicare | Patient out-of-pocket costs |
|---|---|---|
Cost of EGFR testing (N = 1086) | ||
 Mean (SD) | $1767 ($1511) | $350 ($339) |
 Median | $1,483 | $293 |
 Interquartile range | $798, $2234 | $96, $477 |
 Range | ($0-$14,661) | ($0-$3028) |
Average cost of a 30-day prescription of erlotinib (N = 394) | ||
 Mean (SD) | $5938 ($882) | $594 ($725) |
 Median | $6,114 | $240 |
 Interquartile range | $5460, $6615 | $1, $973 |
 Range | ($2180-$7390) | ($0-$2838) |
Average cost of a 30-day prescription of afatinib (N = 42) | ||
 Mean (SD) | $6267 ($735) | $605 ($722) |
 Median | $6,239 | $471 |
 Interquartile range | $5898, $6841 | $1, $902 |
 Range | ($4203-$7256) | ($0-$2771) |