Table 1 The Main Characteristics of Cohort and Population-based Cohort Studies on Diabetes and Endometrial Cancer Risk
Authors | Year | Type of study | Country | Study population | Age | Sample size | Type of diabetes | Measurement of association | Controlled variables |
|---|---|---|---|---|---|---|---|---|---|
Al Hilli. M, et al. [16] | 2015 | Cohort | USA | database for the records of all patients who underwent primary surgical intervention for EC, from January 1, 1999, through December 31, 2008. | All age | 1303 | Diabetes | HR: 1.01; % 95 CI (0.72,1.42) | Age, BMI |
Friberg. E, et al. [17] | 2007 | Cohort | Sweden | Exposed group: 1628 women with self-reported DM or DM from national inpatient register Comparison group: 35145 women without self-reported DM or DM from national inpatient register | 50–83 | 36,773 | Diabetes | RR: 1.94; % 95 CI(1.23,3.08) | Age, BMI, total physical activity |
Anderson. K, et al.[5] | 2001 | Cohort | USA | Exposed group: 1325 women with self-reported DM Comparison group: 23150 women without self-reported DM | 55–69 | 24,475 | Diabetes | RR: 1.43; % 95 CI(0.98,2.09) | Age, BMI, BMI2, WHR, ovulatory span, gravidity, PMH, menstrual irregularities, hypertension |
Lindemann. K, et al. [6] | 2008 | Cohort | Norway | Norwegian women during 15.7 years of follow-up. | All age | 36,761 | Diabetes | RR: 3.84 (% 95 CI: 1.92,5.11) | Age |
Folsom. A, et al. [20] | 2004 | Cohort | USA | Exposed group: 42 women with self-reported DM and an endometrial cancer diagnosis Comparison group: 373 women with self-reported DM and an endometrial cancer diagnosis | 55–69 | 415 | Diabetes | RR: 2.38 (% 95 CI: 1.05,5.37) | Age, extent of endometrial cancer at diagnosis |
Luo. J, et al. [4] | 2014 | Cohort | USA | Women’s Health Initiative | 50–79 | 88,107 | Diabetes | HR: 1.16 (% 95 CI: 0.90,1.48) | Age, BMI |
Terry. P, et al. [21] | 1999 | Cohort | Sweden | Exposed group: 142 women with self-reported DM Comparison group: 10012 women without self-reported DM | 42–81 | 10,154 | Diabetes | RR: 1.60 (% 95 CI: 0.20,11.30) | Age, physical activity, weight, parity |
Coughlin. S, et al. [19] | 2004 | Cohort | USA | Exposed group: 33 women with self-reported DM Comparison group: 448 women without self-reported DM | > 30 | 481 | Diabetes | RR: 1.33 (% 95 CI: 0.92,1.90) | Age, race, education, BMI, smoking, alcohol, red meat, citrus fruit and juice, vegetables, physical activity, PMH, parity, age at menarche, age at first live birth, menopausal status, OC |
esLambe. M, et al. [18] | 2011 | Cohort | Sweden | individuals that took part in routine health checkups and primary care patients referred for laboratory testing | All age | 230,737 | Diabetes | HR: 1.46(% 95 CI 1.09,1.96 | Age |