Thyroid nodules as predictors of adenomatous colonic polyps: A systematic review and meta-analysis

Table 2 Risk factors for thyroid nodules among the study group

Ref.	Age	Females%	Obesity/BMI	Waist	Smoking
Duran et al[19], 2012	53.3 ± 11.4 vs 51.8 ± 11.4	Matched	Not assessed	Not assessed	Not assessed
Mousa et al[20], 2019	54.48 ± 10.01 vs 51.87 ± 10. 86	47.3% vs 52.7%	28.88 ± 7.66 vs 27.99 ± 4. 06	50.6% vs 49.4% high waist	Not assessed
Ozturk et al[21], 2022	61.95 ± 9.01 vs 57.13 ± 14.49	35% vs 69 67%	Not assessed	Not assessed	Not assessed
Park et al[22], 2015	52.08 ± 11.48 vs 47.02 ± 9.26	36.5% vs 55.6%	37.2% vs 27.1%	83.56 ± 9.16 vs 80.20 ± 9.07	16.5% vs 10.5%
Yu et al[23], 2021	50 vs 45	25.1% vs 43.6%	24.5 vs 23.3%	3.24 ± 9.58	39.3% vs 23.5%

BMI: Body mass index.