Programme costs (in USD in the year 2000)
| Study | No of study facilities | Total programme costs | Per facility costs | ||||||
| Oxygen equipment and supplies | Implementation | Solar | Total | Oxygen equipment and supplies | Implementation | Solar | Total | ||
| Duke11 | 5 | US$71 731 | US$37 890 | N/A | US$109 620 | US$14 346 | US$7578 | N/A | US$21 924 |
| Gray13 | 10 | US$62 977 | US$31 500 | N/A | US$94 477 | US$6298 | US$3150 | N/A | US$9448 |
| Graham14 | 12 | US$167 040 | US$61 200 | US$462 240 | US$690 480 | US$13 920 | US$5100 | US$38 520 | US$57 540 |
| Duke12 | 38 | US$320 720 | US$169 920 | US$1 121 760 | US$1 612 400 | US$8440 | US$4472 | US$29 520 | US$42 432 |
N/A, not available.