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Table 1 Sample Demographics and their Clinical Characteristics at baseline survey and follow-up survey

From: Data-driven study on resting-state functional magnetic resonance imaging during early abstinence of alcohol dependence in male patients and its predictive value for relapse

  alcohol dependence (n = 68) HCsa (n = 68) Relapseb (n = 35) Nonrelapsec (n = 32)
Mean ± SDd Mean ± SDd te2f P Mean ± SDd Mean ± SDd te2f P
Demographic variables
Age (years) 39.97 ± 9.00 38.03 ± 9.53 1.22 0.22 40.97 ± 9.18 38.97 ± 8.95 0.90 0.37
Education years 12.76 ± 3.52 13.90 ± 3.58 −1.86 0.07 12.51 ± 3.41 13.00 ± 3.72 −0.56 0.58
Smoking status (%) 62 (91.18%) 26 (38.24%) 41.73 < 0.001 31 (88.57%) 30 (93.75%) 0.10 0.75
Clinical characteristics
Years of drinking 20.79 ± 8.71 22.49 ± 8.94 18.84 ± 8.31 1.72 0.09
First drinking age 19.65 ± 5.39 18.71 ± 5.16 20.88 ± 5.45 −1.67 0.10
Consumption in the last month (g/day) 158.92 ± 70.91 171.94 ± 61.31 143.39 ± 79.05 1.66 0.10
Consumption at the last drinking (g) 200.60 ± 503.35 238.87 ± 678.15 151.01 ± 192.46 0.71 0.48
Score of AUDITg at baseline survey 28.13 ± 8.22    29.20 ± 7.82 27.09 ± 8.72 1.04 0.30
Score of AUDITg at follow-up survey 25.26 ± 10.23 0.44 ± 1.34 14.23*** < 0.001
  1. HCsa healthy controls, Relapseb relapsed among alcohol dependence and scores of AUDIT ≥8 at follow-up survey, Nonrelapsec not relapsed among alcohol dependence and scores of AUDIT < 8 at follow-up survey, SDd standard deviation, te values of student’s t-test, χ2f, values of Chi-square test, AUDITg Alcohol Use Disorder Identification Test;