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Table 1 Baseline characteristics

From: Statistical analysis plan of a randomized controlled trial to compare a restrictive strategy to usual care for the effectiveness of cholecystectomy (SECURE trial)

 

Usual care (n)

Restrictive strategy (n)

Age, years

  

Sex, F (% n/N)

  

BMI, kg/m2

  

ASA-classification, II (% n / N)

  

History of abdominal surgery, yes (% n/N)

  

Use of pain medication, yes (% n/N)

  

 Type of medication

  

  Paracetamol, n (% n/n)

  

  NSAID, n (% n/n)

  

  Other, n (% n/n)

  

 Indication of medication

  

  Gallstone symptoms, n (% n/n)

  

  Other indication, n (% n/n)

  

Smoking, n (% n/N)

  

 Packs per week, n

  

Alcohol consumption, n (% n/N)

  

 Glasses per week, n

  

Baseline IPS, total points

  

 VAS pain score

  

Baseline Health Utility score

  

Baseline GIQLI-score, total points

  
  1. ASA American Society of Anaesthesiologists physical status classification, BMI body mass index, GIQLI Gastrointestinal Quality of Life Index, IPS Izbicki Pain Score, NSAID nonsteroidal anti-inflammatory drug, VAS visual analogue scale