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Table 1 Characteristics of study participants

From: Increased mortality among men aged 50 years old or above with elevated IgA anti-transglutaminase antibodies: NHANES III

Variable tTGA+ n = 85 tTGA- n = 5947 P value
Age in years ; median (range) 69 (50–90) 67 (50–90) 0.139
Follow-up in years; median (range) 11 (0–18) 13 (0–18) 0.001
Male (%) 54 (64) 2793 (47) 0.002
Ever smokera (%) 51 (60) 3211 (54) 0.270
Race/ethnicity (%)    0.589
 Non-Hispanic White 41 (48) 3298 (55)  
 Non-Hispanic Black 21 (25) 1209 (20)  
 Mexican-American 19 (22) 1216 (20)  
 Other 4 (5) 224 (4)  
  1. tTGA tissue transglutaminase antibody
  2. aSmoked at least 100 cigarettes (5 packs) during lifetime