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Table 2 Telomere length a by selected subject characteristics among the normal controls

From: Measuring telomere length for the early detection of precursor lesions of esophageal squamous cell carcinoma

Characteristics N Mean SD Q1 Median Q3 p
Sex        
   Males 43 0.91 0.17 0.78 0.92 1.03  
   Females 49 0.94 0.18 0.79 0.94 1.06 0.51
Age        
   <54 years 45 0.94 0.18 0.80 0.94 1.06  
   ≥54 years 47 0.91 0.17 0.80 0.89 1.04 0.36
BMI        
   <18.5 2 0.89 - 0.83 0.89 0.95  
   18.5 - <23 40 0.92 0.18 0.75 0.92 1.04  
   23 - <27.5 46 0.94 0.17 0.80 0.93 1.06  
   ≥27.5 4 0.94 0.18 0.82 0.94 1.06 0.78
Smoke tobacco        
   Ever 28 0.89 0.17 0.77 0.90 0.97  
   Never 64 0.94 0.18 0.79 0.95 1.06 0.21
Drink alcohol        
   Any 11 0.94 0.13 0.89 0.95 1.04  
   None 81 0.92 0.18 0.78 0.91 1.05 0.65
Hypertension        
   Yes 63 0.92 0.17 0.77 0.90 1.04  
   No 29 0.94 0.18 0.84 0.95 1.06 0.36
  1. aCalculated as telomeric DNA (T) divided by amount of single-copy control gene DNA (S) to produce the relative measurement of telomere length (T/S ratio).
  2. Abbreviations: SD, standard deviation; Q1, first quartile; Q3, third quartile; BMI, body mass index.