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Baseline characteristics and clinical outcomes in patients with sacral metastatic tumors between the 2 groups
Characteristic PSP + RFA (Group A; n = 51) PSP (Group B; n = 75) P
Age (mean) (yr) 57.22 (SD, 11.41) 62.11 (SD, 13.37) .132
Male/female 27:24 42:33 .085
Lung cancer/other cancer (No./No) 17/34 27/48 .758
Postoperative radiation/no radiation (No./No.) 17/34 29/46 .542
Zone I/other zones (No./No.) 32/26 63/41 .503
Lesion volume (mean) (mL) 7.22 (SD, 1.74) 6.69 (SD, 1.96) .124
Posterior approach/other approaches (No./No.) 19/37 41/50 .183
Technical success (No.) (%) 51 (100) 75 (100) .999
Operation time (mean) (min) 47.56 (SD, 5.31) 38.67 (SD, 5.19) .002
Cement leakage (No.) (%) 10 (17.24) 20 (19.23) .361
Cement filling volume (mean) (range) (mL) 6.42 (SD, 1.73) (3–8) 5.31 (SD, 1.52) (2–8) .001
Degree of cement filling (%) 84.82% (SD, 0.37%) 76.16% (SD, 0.77%) .001
Clinical follow-up (mean) (mo) 10.08 (SD, 6.28) 10.18 (SD, 5.59) .823