Table 4 Significant predictors of time to initial evaluation, time to surgery, and postoperative outcomes

Time to initial evaluation

Subluxations occurring at least once a week

β = 57.1 [3.9 to 110.2]

0.04

Had general health check-up in year prior to surgery

β = − 100.5 [− 174.5 to − 26.5]

0.008

Time to surgery

Subluxations occurring at least once a week prior to surgery

β = 58.3 [7.1 to 109.5]

0.03

Home ownership

β = − 56.5 [− 104.7 to − 8.3]

0.02

Reoperation

Age

OR = 1.1 [1.0 to 1.2]

0.02

At least one dislocation episode prior to surgery

OR = 10.3 [1.4 to 76.7]

0.02

Postoperative recurrent instability

Subluxations occurring at least once a week prior to surgery

OR = 8.7 [1.4 to 53.5]

0.02

Home ownership

OR = 0.1 [0.0 to 0.6]

0.01

Employed full-time

OR = 0.1 [0.0 to 0.8]

0.03

Return to sport

No significant predictors

n/a

n/a

Return to work

No significant predictors

n/a

n/a

VAS pain

Concomitant procedure(s)

β = 9.0 [0.2 to 17.8]

0.045

VAS sports

No significant predictors

n/a

n/a

VAS satisfaction

Employed full-time

β = 14.1 [4.3 to 23.9]

0.006

Non-white race AND at least 2 years of college education

β = − 18.3 [− 35.1 to − 1.6]

0.03

Non-white race AND home ownership

β = 42.6 [23.6 to 52.6]

 < 0.001

Non-white race AND took at least one vacation

β = − 23.4 [− 42.2 to − 4.6]

0.02

Kujala score

Age

β = − 0.6 [− 1.0 to − 0.4]

0.004

Employed full-time

β = 8.7 [0.9 to 16.5]

0.03

MPFL-RSI score

No significant predictors

n/a

n/a

MPFL-RSI > 56

No significant predictors

n/a

n/a