Table 5.
Characteristics | Median PFS (INR)a | Progression-free survival rates (%) | P value | Median OS (INR)a | Overall survival rates (%) | P value | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
6 months | 12 months | 18 months | 24 months | 6 months | 12 months | 18 months | 24 months | |||||
Age (years) | ||||||||||||
<42 | N/A | 87.5 | 62.5 | 25.0 | 6.3 | <0.001 | N/A | 100.0 | 93.8 | 56.3 | 18.8 | <0.001 |
≥42 | N/A | 64.3 | 50.0 | 28.6 | 14.3 | N/A | 71.4 | 64.3 | 35.7 | 35.7 | ||
Sex | ||||||||||||
Male | N/A | 78.9 | 47.4 | 31.6 | 10.5 | 0.037 | N/A | 94.7 | 84.2 | 57.9 | 36.8 | <0.001 |
Female | N/A | 72.7 | 72.7 | 18.2 | 9.1 | N/A | 72.7 | 72.7 | 27.3 | 9.1 | ||
Lateral | ||||||||||||
Left | N/A | 84.6 | 69.2 | 30.8 | 15.4 | <0.001 | N/A | 92.3 | 92.3 | 46.2 | 38.5 | <0.001 |
Right | N/A | 70.6 | 47.1 | 23.5 | 5.9 | N/A | 82.4 | 70.6 | 47.1 | 17.6 | ||
Preoperative kps | ||||||||||||
≥60 | N/A | 85.7 | 66.7 | 33.3 | 14.3 | <0.001 | N/A | 95.2 | 90.5 | 52.3 | 23.8 | <0.001 |
<60 | 9(3–20) | 55.6 | 33.3 | 11.1 | 0.0 | N/A | 66.7 | 55.6 | 33.3 | 33.3 | ||
Postoperative kps | ||||||||||||
≥60 | N/A | 84.0 | 72.0 | 36.0 | 16.0 | <0.001 | N/A | 92.0 | 84.0 | 52.0 | 40.0 | <0.001 |
<60 | N/A | 40.0 | 20.0 | 0.0 | 0.0 | N/A | 60.0 | 60.0 | 20.0 | 20.0 | ||
Symptom duration (months) | ||||||||||||
≥2 | N/A | 93.3 | 73.3 | 40.0 | 20.0 | <0.001 | N/A | 93.3 | 93.3 | 66.7 | 46.7 | <0.001 |
<2 | 11(2–24) | 60.0 | 40.0 | 13.3 | 0.0 | N/A | 80.0 | 66.7 | 26.7 | 6.7 | ||
Cystic changes | ||||||||||||
Yes | N/A | 85.7 | 71.4 | 42.9 | 28.6 | <0.001 | N/A | 100.0 | 100.0 | 85.7 | 57.1 | <0.001 |
No | N/A | 73.9 | 52.2 | 21.7 | 4.3 | N/A | 82.6 | 73.9 | 34.8 | 17.4 | ||
Diameter (cm) | ||||||||||||
<3.9 | N/A | 91.7 | 66.7 | 41.7 | 16.7 | <0.001 | N/A | 91.7 | 91.7 | 50.0 | 33.3 | <0.001 |
≥3.9 | N/A | 66.7 | 50.0 | 16.7 | 5.5 | N/A | 83.3 | 72.2 | 44.4 | 22.2 | ||
Pathology | ||||||||||||
Low grade | N/A | 100.0 | 100.0 | 50.0 | 25.0 | <0.001 | N/A | 100.0 | 100.0 | 75.0 | 50.0 | <0.001 |
High grade | N/A | 68.2 | 40.9 | 18.2 | 4.5 | N/A | 81.8 | 72.7 | 36.4 | 18.2 | ||
Postoperative v-p shunt | ||||||||||||
Yes | 14.5(12–24) | 100.0 | 75.0 | 25.0 | 0.0 | – | N/A | 100.0 | 100.0 | 50.0 | 25.0 | <0.001 |
No | N/A | 73.1 | 53.8 | 26.9 | 11.5 | N/A | 84.6 | 76.9 | 46.2 | 26.9 | ||
Resection | ||||||||||||
Gtr | N/A | 82.4 | 64.7 | 35.3 | 17.6 | <0.001 | N/A | 88.2 | 76.5 | 52.9 | 35.3 | <0.001 |
Str/pr | 12(2–20) | 69.2 | 46.2 | 15.4 | 0.0 | N/A | 84.6 | 84.6 | 38.5 | 15.4 |
N/A not available
aMedian PFS and median OS was calculated based on the final status of follow-up
bMeans no correlation in univariate analysis