Table 1 Summary of basic characteristics of selected studies for meta-analysis
From: Association between chronic obstructive pulmonary disease and serum lipid levels: a meta-analysis
Author | Year | Country | Sample size (COPD/Control) | COPD group | Control group | Age (Mean ± SD, COPD/Control) | BMI (Mean ± SD, COPD/Control) |
|---|---|---|---|---|---|---|---|
Gunay S [13] | 2016 | Turkey | 104/40 | Stable COPD | Healthy control | 64.0 ± 8.7/62.8 ± 8.9 | 24.72 ± 3.91/25.08 ± 2.66 |
Can U [14] | 2015 | Turkey | 51/45 | Stable COPD | Healthy control | 56.92 ± 3.0/54.8 ± 3.8 | 28.76 ± 2.9/27.53 ± 3.4 |
Ismail M [16] | 2015 | Bangladesh | 30/20 | Stable COPD | Healthy control | NA | NA |
Boyuk B [17] | 2015 | Turkey | 43/38 | Stable COPD | Healthy control | NA | 26.39 ± 4.99/23.67 ± 4.75 |
Shen Y [18] | 2013 | Chinese | 48/32 | Stable COPD | Healthy control | 62 ± 10/58 ± 11 | 22.57 ± 3.25/23.04 ± 2.62 |
Marquis K [19] | 2005 | Canada | 38/34 | Stable COPD | Healthy control | 66 ± 7/63 ± 6 | 28 ± 5/29 ± 5 |
Basili S [15] | 1999 | Italy | 90/90 | Stable COPD | Healthy control | 69.2 ± 8.2/67.0 ± 7.6 | NA |
Tisi GM [20] | 1981 | USA | 22/22 | Stable COPD | Healthy control | 65.3 ± 1.9/65.3 ± 1.9 | NA |
Fratta Pasini AM [21] | 2016 | Italy | 30/30 | Stable COPD | Healthy control | 69.3 ± 6.6/67.8 ± 6.8 | 28.3 ± 4.3/27.6 ± 4.8 |
Acharyya A [22] | 2016 | India | 77/77 | Stable COPD | Healthy control | 60 ± 12/60 ± 10 | 23 ± 6/24 ± 4 |
Rafie S [23] | 2018 | India | 82/43 | Stable COPD | Healthy control | 64.9 ± 7.5/63.9 ± 6.9 | 20.1 ± 3.9/20.7 ± 3.4 |