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Table 2 Patient demographics and hip characteristics

From: Femoroacetabular Impingement Randomised controlled Trial (FIRST) - a multi-centre randomized controlled trial comparing arthroscopic lavage and arthroscopic osteochondroplasty on patient important outcomes and quality of life in the treatment of young adult (18–50 years) femoroacetabular impingement: a statistical analysis plan

 

Treatment X

n =

Treatment Y

n =

Patient characteristics

 Age, mean (SD)

  

 Gender, n (%)

  

  Male

  

  Female

  

 Ethnicity, n (%)

  

  Native

  

  Asian

  

  Black

  

  Hispanic

  

  White/Caucasian

  

 Smoking history, n (%)

  

  Never smoked

  

  Current smoker

  

  Former smoker

  

 Alcohol consumption, n (%)

  

  No alcohol at baseline

  

  0.5–2 drinks/week

  

  3–5 drinks/week

  

  6–10 drinks/week

  

  11+ drinks/week

  

 Current medications, n (%)

  

  None

  

  NSAIDS

  

  Intra-articular injection

  

  Etc…. (as per available data)

  

 Co-morbidities, n (%)

  

  None

  

  Cancer

  

  Back pain

  

  Etc… (as per available data)

  

 BMI, n (%)

  

  Underweight < 18.5

  

  Normal weight 18.5–24.9

  

  Overweight 25–29.9

  

  Obese 30–39.9

  

  Morbidly obese 40 or greater

  

 Weightbearing status, n (%)

  

  Full weightbearing

  

  Partial weightbearing

  

  Non-weightbearing

  

 Baseline sport activity, n (%)

  

  None

  

  Light

  

  Moderate

  

  Vigorous

  

Hip characteristics

 Affected hip, n (%)

  

  Left

  

  Right

  

 Location of hip pain, n (%)

  

  Groin

  

  Lateral

  

  Posterior

  

  Groin and lateral

  

  Groin and posterior

  

  Lateral and posterior

  

  Groin and lateral and posterior

  

 Onset of symptoms, n (%)

  

  Acute

  

  Subacute

  

  Insidious

  

  Traumatic

  

  Non-traumatic

  

 Tonnis and Heinecke classification, n (%)

  

  Grade 0

  

  Grade 1

  

  Grade 2

  

  Grade 3

  

 Labral tears present, n (%)

  

  None

  

  Anterior

  

  Posterior

  

  Superior/lateral

  

  Anterior and posterior

  

  Anterior and superior/lateral

  

  Posterior and superior/lateral

  

 Herniation pits present, n (%)

  

  No

  

  Yes

  
  1. NSAID non-steroidal anti-inflammatory drug, BMI body mass index