Table 1 Characteristics of included studies in the meta-analysis.
From: Relationship between Diabetic Retinopathy and Subclinical Hypothyroidism: a meta-analysis
First Author | Region | Study design | Publication year | Relationship between DR and SCH | Sample size | Age(years) | SCH sample | DR sample |
|---|---|---|---|---|---|---|---|---|
Kim Bo-Yeon7 | Korea | Case control | 2011 | YES | 489 | 61.7 ± 9.8 | 61 | 207 |
Chen HS8 | Taiwan | Case control | 2007 | NO | 588 | 67.2 ± 10.8 | 41 | 158 |
Yang Jinkui11 | China | Case control | 2010 | YES | 327 | 61.0 ± 13.7 | 127 | 158 |
Chen Jihai12 | China | Case control | 2012 | YES | 400 | 75.53 ± 6.53 | 45 | 29 |
Guo Dan13 | China | Case control | 2012 | YES | 162 | 55.84 ± 13.03 | 40 | 30 |
Zheng Yongqiang14 | China | Case control | 2012 | NO | 138 | 60.2 ± 11.8 | 28 | 39 |
Yang Guangran53 | China | Case control | 2010 | YES | 371 | 59.94 ± 10.61 | 83 | 187 |
Tang Jiandong54 | China | Case control | 2012 | YES | 1156 | 64.6 ± 10.2 | 164 | 610 |
