Table 5 Correlation between intraoperative aneurysm rupture and clinical variables. Please note those who had confirmatory multi-variate analysis results, are coupled with in-parenthesis Odds ratios (OR) and confidence intervals (CI)

Gender

0.768

Preoperative neurologic deficit

0.308

Hydrocephalus

0.031

VPS dependency

0.071

Epilepsy

0.428

Pre-operative seizure

n/a

Direction of aneurysm

0.258

Side of aneurysm

0.653

HTN

0.428

DM

0.966

IHD

0.785

Smoking

0.586

Opium addiction

0.896

Temporary clip application

0.269

Approach (LSO vs. Pterional)

0.428

Approach side

0.714

Over-all survival

0.044

Age(years)

0.143

Bleeding to operation interval(days)

0.383

GCS

0.446

Initial HH score

0.918

Initial Fisher grade

0.166

Aneurysm size category

0.001(OR :4.749, CI:1.842–12.244)

Temporary clip interval

0.004

Bleeding amount(cc)

< 0.001

Operation duration(minutes)

0.093

Overall survival (OS)

0.044

GOS

0.02

mRS

0.012(OR :1.704, CI:0.9982.908)