Variable

p-Value

Stable

0.004^*

Age

0.206

Sex

0.057

Follow-up

0.280

Consultant versus registrar

0.994

Time to present for operation

0.335

Severity of slip

0.054

Number of screws

0.077

Side

0.994

Weight

0.262

Screw placement

0.995

Prophylactic pinning

0.487