Table 4 Results from a multivariable survival analysis predicting the risk of eventual censure (versus no censure or referral) for Fitness to Practise issues in Professional and Linguistic Assessments Board (PLAB) international medical graduates; in this model, PLAB performance was entered as number of attempts at each part

Male sex

2.73

<0.001

1.90

3.93

Age at registration

1.01

0.54

0.98

1.04

IELTS speaking score

1.39

<0.001

1.13

1.72

Passing PLAB part 1 at 2nd vs. 1st attempt

1.24

0.25

0.86

1.79

Passing PLAB part 1 at 3rd vs. 1st attempt

1.58

0.08

0.94

2.64

Passing PLAB part 1 at ≥ 4th vs. 1st attempt

2.13

<0.001

1.26

3.59

Passing PLAB part 1 at 3rd vs. 2nd attempt

1.27

0.41

0.72

2.26

Passing PLAB part 1 at ≥ 4th vs. 2nd attempt

1.72

0.07

0.96

3.06

Passing PLAB part 1 at ≥ 4th vs. 3rd attempt

1.35

0.38

0.69

2.64

Passing PLAB part 2 at 2nd vs. 1st attempt

1.29

0.16

0.90

1.83

Passing PLAB part 2 at ≥ 3rd vs. 1st attempt

2.45

0.001

1.44

4.18

Passing PLAB part 2 at ≥ 3rd vs. 2nd attempt

1.90

0.03

1.06

3.41