Table 1 Summary characteristics of the included studies by PCOS
Measure | No. | Total patients | Country/region of studies | Mean patient age, years | Mean patient BMI, kg/m2 | |
|---|---|---|---|---|---|---|
Studies | Estimates | |||||
Observed species | 8 | 10 | 214 | China: 6; Austria: 1; Catalan: 1 | 15.80–29.30 | 20.46–29.48 |
Observed OTUs | 11 | 17 | 302 | Austria: 1; Catalan: 1; China: 6; North America: 1; Turkey: 2 | 15.80–29.30 | 21.07–33.50 |
Chao 1 index | 14 | 20 | 400 | America: 1; Austria: 1; Catalan: 1; China: 10 | 15.8–29.9 | 20.46–37.00 |
Shannon index | 22 | 32 | 896 | China: 14; America: 1; Poland: 1; Spain: 1; Austria: 1; Finland: 1; Turkey: 1; India: 1; Catalan: 1 | 15.80–30.00 | 20.46–37.00 |
Simpson index | 8 | 11 | 272 | China: 6; Austria: 1; Catalan: 1 | 15.80–29.30 | 20.46–30.00 |
Sobs index | 2 | 3 | 78 | China: 2 | 25.10–26.90 | n/a |
Ace index | 5 | 7 | 188 | China: 4; Austria: 1 | 24.00–28.94 | 20.46–29.78 |
Coverage index | 1 | 2 | 60 | China: 1 | 25.10–26.90 | n/a |
Pielou’s evenness | 2 | 2 | 99 | Poland: 1; Catalan: 1 | 15.80–27.40 | 25.00–25.60 |
Amplicon sequence variants | 2 | 3 | 169 | Poland: 1; Catalan: 1 | 15.80–27.40 | 25.00–25.60 |
PD whole tree | 8 | 10 | 228 | China: 4; Austria: 2; Turkey: 1; Catalan: 1 | 15.80–29.30 | 20.46–30.00 |