Research Article
The Efficacy of Surgical Resection versus Radiofrequency Ablation for the Treatment of Single Hepatocellular Carcinoma: A SEER-Based Study
Table 1
Characteristics of patients.
| | Before PSM () | After PSM () | Characteristics | SR () | RFA () | P | SMD | SR () | RFA () | P | SMD |
| Age of diagnosis (%) | | | 0.528 | 0.030 | | | 0.653 | 0.032 | 30–59 years | 530 (35.4) | 230 (34.0) | | | 193 (36.8) | 185 (35.3) | | | 60–84 years | 968 (64.6) | 447 (66.0) | | | 339 (64.7) | 331 (63.2) | | | Gender (%) | | | 0.434 | 0.039 | | | 0.615 | 0.035 | Male | 1085 (72.4) | 502 (74.2) | | | 392 (74.8) | 400 (76.3) | | | Female | 413 (27.6) | 175 (27.6) | | | 132 (25.2) | 124 (23.7) | | | Race (%) | | | <0.001 | 0.322 | | | 0.674 | 0.002 | White | 808 (54.0) | 463 (68.4) | | | 345 (65.8) | 349 (66.6) | | | Black | 207 (13.8) | 75 (11.1) | | | 66 (12.6) | 57 (10.9) | | | Others | 483 (32.2) | 139 (20.5) | | | 113 (21.6) | 118 (22.5) | | | Grade (%) | | | <0.001 | 0.474 | | | 0.851 | 0.017 | I | 326 (21.8) | 267 (39.4) | | | 179 (34.2) | 179 (34.2) | | | II | 821 (54.8) | 334 (49.3) | | | 283 (54.0) | 276 (52.7) | | | III | 324 (21.6) | 74 (11.0) | | | 59 (11.3) | 67 (12.8) | | | IV | 27 (1.8) | 2 (0.3) | | | 3 (0.5) | 2 (0.3) | | | SEER stage (%) | | | <0.001 | 0.147 | | | 1 | <0.001 | Localized | 1381 (92.2) | 591 (87.3) | | | 481 (91.8) | 481 (91.8) | | | Regional | 117 (7.8) | 86 (12.7) | | | 43 (8.2) | 43 (8.2) | | | Chemotherapy (%) | | | <0.001 | 0.340 | | | 0.440 | 0.044 | No | 1343 (89.7) | 507 (74.9) | | | 449 (85.7) | 439 (83.8) | | | Yes | 155 (10.3) | 170 (25.1) | | | 75 (14.3) | 85 (16.2) | | | Tumor size (%) | | | <0.001 | 0.951 | | | 0.067 | 0.034 | <3 cm | 388 (25.9) | 368 (54.4) | | | 277 (52.9) | 254 (48.5) | | | 3–5 cm | 566 (37.8) | 266 (39.3) | | | 193 (36.8) | 228 (43.5) | | | >5 cm | 544 (36.3) | 43 (6.3) | | | 54 (10.3) | 42 (8.0) | | | AJCC T (%) | | | 0.643 | 0.023 | | | 1 | 0.004 | T1 | 1082 (72.2) | 482 (71.2) | | | 407 (77.7) | 408 (77.9) | | | T2 | 416 (27.8) | 195 (28.8) | | | 117 (22.3) | 116 (22.1) | | |
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