TABLE 4.
Sensitivity analyses results: rt‐CGM versus SMBG
| Analysis | Cost, AUD | Quality‐adjusted life expectancy, QALYs | ICER, AUD per QALY gained | ||||
|---|---|---|---|---|---|---|---|
| rt‐CGM | SMBG | Difference | rt‐CGM | SMBG | Difference | ||
| Base case | 246,146 | 244,549 | +21,597 | 9.362 | 8.163 | +1.199 | 18,020 |
| rt‐CGM utility benefit 0% | 246,146 | 244,549 | +21,597 | 8.556 | 8.163 | +0.393 | 54,912 |
| rt‐CGM utility benefit –50% | 246,146 | 244,549 | +21,597 | 8.959 | 8.163 | +0.796 | 27,135 |
| rt‐CGM utility benefit +50% | 246,146 | 244,549 | +21,597 | 9.764 | 8.163 | +1.601 | 13,489 |
| rt‐CGM HbA1c –30% | 253,968 | 224,549 | +29,419 | 9.278 | 8.163 | +1.115 | 26,375 |
| rt‐CGM HbA1c +30% | 239,102 | 224,549 | +14,553 | 9.431 | 8.163 | +1.268 | 11,408 |
| rt‐CGM SHE rate –50% | 244,792 | 224,549 | +20,242 | 9.369 | 8.163 | +1.206 | 16,780 |
| rt‐CGM SHE rate +50% | 247,447 | 224,549 | +22,898 | 9.344 | 8.163 | +1.181 | 19,385 |
| rt‐CGM NSHE rate –50% | 246,146 | 224,549 | +21,597 | 9.533 | 8.163 | +1.370 | 15,760 |
| rt‐CGM NSHE rate +50% | 246,146 | 224,549 | +21,597 | 9.309 | 8.163 | +1.146 | 18,840 |
| 4 SMBG/day | 246,146 | 224,075 | +22,071 | 9.362 | 8.163 | +1.199 | 18,416 |
| 5.2 SMBG/day | 246,146 | 225,024 | +21,122 | 9.362 | 8.163 | +1.199 | 17,624 |
| 10 SMBG/day | 246,146 | 228,819 | +17,327 | 9.362 | 8.163 | +1.199 | 14,458 |
| QoL of T1D with no complications =0.672 | 246,146 | 244,549 | +21,597 | 8.547 | 7.400 | +1.148 | 18,821 |
| Time horizon 2 years | 21,802 | 17,092 | +4,710 | 1.100 | 0.965 | +0.135 | 34,810 |
| Time horizon 5 years | 49,907 | 39,247 | +10,600 | 2.697 | 2.380 | +0.317 | 33,640 |
| Time horizon 10 years | 93,032 | 75,597 | +17,435 | 4.851 | 4.280 | +0.571 | 30,562 |
| Time horizon 25 years | 188,716 | 166,258 | +22,458 | 8.199 | 7.202 | +0.998 | 22,510 |
| Discount rate 3.5% | 318,245 | 294,889 | +23,356 | 11.384 | 9.896 | +1.488 | 15,699 |
| Discount rate 0% | 675,215 | 648,377 | +26,838 | 20.241 | 17.406 | +2.836 | 9465 |
Abbreviations: AUD, Australian dollar; ICER, incremental cost‐effectiveness ratio; NSHE, non‐severe hypoglycaemic event; QALY, quality‐adjusted life year; QoL, quality of life; rt‐CGM, real‐time continuous glucose monitoring; SHE, severe hypoglycaemic event; SMBG, self‐monitoring of blood glucose; T1D, type 1 diabetes.