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Table 4 Difference in means between treatment and control groups for TC at final follow-up

From: Screening for thyroid dysfunction and treatment of screen-detected thyroid dysfunction in asymptomatic, community-dwelling adults: a systematic review

Author Sample size (treatment group vs. control group) Difference 95% CI
Cabral et al. [57] 32 (14 vs. 18) − 1.07 mmol/L* − 2.49 to 0.36
Caraccio et al. [58] 49 (24 vs. 25) − 0.30 mmol/L* − 0.92 to 0.32
Duman et al. [60] 39 (20 vs. 19) 0.00 mmol/L* − 0.98 to 0.98
Iqbal et al. [62] 64 (32 vs. 32) − 0.10 mmol/L* − 0.59 to 0.39
Liu et al. [64] 119 (60 vs. 59) − 0.29 mmol/L** − 0.54 to − 0.04
Mikhail et al. [66] 120 (60 vs. 60) − 0.30 mmol/L* − 0.58 to − 0.30
Monzani et al. [68] 45 (23 vs. 22) − 1.56 mmol/L* − 2.91 to − 0.20
Nagasaki et al. [69] 95 (48 vs. 47) − 0.14 mmol/L** − 0.54 to 0.26
Teixeira et al. [74, 75] 26 (11 vs. 15) − 0.32 mmol/L* − 1.79 to 1.16
  1. *Value is the difference in mean scores at final follow-up between treatment and control groups
  2. **Value is the difference in mean variation scores from baseline to follow-up between treatment and control group