Table 4 Univariate analysis of categorical variables using chi-square and Fisher’s exact tests: association between factors and postoperative volume differences (O2 – A2) ≥1SE (1.40 mL).
Characteristics | Postoperative volume difference (O2 − A2) ≥1 SE, n (%) | ||
|---|---|---|---|
< 1.40 mL | ≥1.40 mL | P value | |
Preoperative volume difference (O1 − A1) ≥1 SE (1.54 ml) | <0.0001 * | ||
<1 SE | 80(86.0) | 13(14.0) | |
≥1 SE | 4(36.4) | 7(63.6) | |
Extent of resection | <0.0001 | ||
Gross total | 51(96.2) | 2(3.8) | |
Subtotal | 33(64.7) | 18(35.3) | |
High grade cavernous sinus invasion | 0.0312 | ||
No | 29(93.6) | 2(6.4) | |
Yes | 55(75.3) | 18(24.7) | |
Suprasellar extension | 0.2977 * | ||
No | 15(93.8) | 1(6.2) | |
Yes | 69(78.4) | 19(21.6) | |
Preoperative shape | 0.0116 * | ||
Irregular | 13(59.1) | 9(40.9) | |
Regular | 71(86.6) | 11(13.4) | |
Postoperative shape | 0.7300 * | ||
Irregular | 71(79.8) | 18(20.2) | |
Regular | 13(86.7) | 2(13.3) | |
Apoplexy | 0.1928 | ||
No | 43(86.0) | 7(14.0) | |
Yes | 41(75.9) | 13(24.1) | |
