For the group who had RTS, which statement is correct about the results of the multivariate model?

IKDC accounted for 37% variance in the psychological readiness to RTS.

Some factors were controlled in the recruitment process to ensure sample homogeneity. Which one is NOT one of them?

Only those who successfully returned to sports were recruited in this study

Which factor did NOT differ significantly between patients who had and had not returned to sport (Table 1)?

Laxity (side-to-side difference)

If Charles wants to estimate the patient's readiness to return to basketball court, which measure is the best choice?

Subjective knee symptoms and function measured by IKDC

For the group who had not RTS, which factor predicted psychological readiness to RTS in the multivariate model?

Higher subjective knee (IKDC) scores

What was the study design?

Cross-sectional case-control study

Which one is the dependent variable?

Psychological readiness measured by the ACL-RSI scale

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Webster et al. (2018)

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Questions 13

Answers

1
In univariate regression with all patients, what factor is NOT associated with psychological readiness to RTS (Table 2)?
Age
Time between ACL injury and surgery
IKDC subjective form
Anterior-posterior laxity
2
For the group who had RTS, which statement is correct about the results of the multivariate model?
Greater limb symmetry and higher IKDC score predict psychological readiness
The effect size was small.
Male sex is the only predictor of psychological readiness to RTS.
IKDC accounted for 37% variance in the psychological readiness to RTS.
3
What factor was related to greater psychological readiness in those who had not RTS (Table 3)?
Female sex
Reduced anterior-posterior laxity
Greater limb symmetry
Low sport frequency
4
Stats to compare sex and ACL-RSI between those "return to competitive sport" vs. "no return to sport", respectively?
Independent t test, Simple linear regression
Simple linear regression, Independent t test
X2 test, Independent t test
Independent t test, X2 test
5
Some factors were controlled in the recruitment process to ensure sample homogeneity. Which one is NOT one of them?
Patients attended the same orthopaedic clinic after ACLR by 1 of 3 surgeons
Only those who successfully returned to sports were recruited in this study
All patients underwent the same rehabilitation protocol postoperatively.
All ACLR were performed arthroscopically with a hamstring tendon autograft.
6
What factor was associated with greater psychological readiness in all patients (Table 2)?
More laxity (side-to-side difference)
Lower subjective knee scores (IKDC)
Longer time between ACL injury and surgery
Younger age
7
Which factor did NOT differ significantly between patients who had and had not returned to sport (Table 1)?
Sex
Laxity (side-to-side difference)
Limb symmetry index
Preinjury sport frequency
8
What factor was related to psychological readiness to RTS in BOTH who had and had not RTS (Table 3)?
Anterior-posterior laxity
Age
Sport frequency
Limb symmetry
9
If Charles wants to estimate the patient's readiness to return to basketball court, which measure is the best choice?
Limb symmetry index
Subjective knee symptoms and function measured by IKDC
Anterior-posterior laxity
Preinjury sport frequency
10
For the group who had not RTS, which factor predicted psychological readiness to RTS in the multivariate model?
High preinjury sport frequency
Higher subjective knee (IKDC) scores
Greater limb symmetry
Male sex
11
Which of the following is NOT the independent variable?
Type of ACLR procedure
IKDC subjective form (symptoms/function)
Limb symmetry index
Anterior-posterior laxity
12
What was the study design?
Case series
Prpspective cohort study
Randomized controlled trial
Cross-sectional case-control study
13
Which one is the dependent variable?
Preinjury sport frequency
Demographic
Psychological readiness measured by the ACL-RSI scale
Time between ACL injury and surgery

Webster et al. (2018) Flashcards | StudBud