Table 3.
Overall Survival Rates (%) of RFA versus SBRT in patients with NSCLC
| Year | Unmatched (95% CI) | Matched (95% CI) | IPTW (95% CI) | Overlap Weighting (95% CI) | ||||
|---|---|---|---|---|---|---|---|---|
| RFA | SBRT | RFA | SBRT | RFA | SBRT | RFA | SBRT | |
| 1 | 83.3 (78.1-88.8) | 83.8 (82.8-84.8) | 83.2 (77.7-89.1) | 81.5 (78.1-85.0) | 83.4 (78.2-88.9) | 83.8 (82.8-84.8) | 83.6 (78.1-89.4) | 82.2 (76.5-88.3) |
| 2 | 63.5 (56.8-70.9) | 64.3 (62.9-65.7) | 62.9 (55.8-70.8) | 61.5 (57.2-66.0) | 63.7 (57.0-71.1) | 64.3 (62.9-65.7) | 63.7 (56.6-71.6) | 62.1 (54.9-70.2) |
| 3 | 48.5 (41.6-56.6) | 48.3 (46.8-49.9) | 47.3 (40.0-55.9) | 41.9 (37.6-46.7) | 48.5 (41.6-56.6) | 48.3 (46.8-49.8) | 48.4 (41.1-57.0) | 46.2 (38.8-55.0) |
| 4 | 38.0 (31.2-46.2) | 36.5 (35.0-38.2) | 36.0 (28.9-44.7) | 32.5 (28.4-37.2) | 37.7 (31.0-45.9) | 36.5 (34.9-38.1) | 37.2 (30.1-46.0) | 34.3 (27.3-43.1) |
| 5 | 29.1 (22.8-37.1) | 27.4 (25.8-29.1) | 27.3 (20.7-35.8) | 23.8 (20.0-28.4) | 29.0 (22.7-37.0) | 27.3 (25.7-29.0) | 28.4 (21.8-37.0) | 25.4 (18.9-34.0) |
Abbreviations: RFA: radiofrequency ablation; SBRT: stereotactic body radiotherapy; IPTW: inverse probability of treatment weight.