Variable

P value

Age

NS

Sex

NS

Prehistory

0.099 NS

Major Presenting Symptoms:

Endocrine imbalance

NS

Visual Impairment

NS

Headache

NS

Nausea and Vomiting

0.05701 NS

Tumor Features

Cystic

NS

Mixed

NS

Solid

NS

Calcification

NS

Tumor Location

Suprasellar

NS

Intrasellar

NS

Intra-third ventricular

NS

Surgical Approach

Open Craniotomy

NS

Pterional

NS

Transcallosal-transchoroidal

NS

Transcortical-transventricular

NS

Trans-sphenoidal

NS

Extent of Resection

0.788 NS

Postoperative DI

0.082 NS

Long-term survival

<0.0001*