Table 2 Characteristics of studies involving in comparison of the differences of serum Cys C levels
From: The association between cystatin C and COPD: a meta-analysis and systematic review
Author | Year | SCOPD | AECOPD | Control | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
n1 | Mean1 | SD1 | n2 | Mean2 | SD2 | n3 | Mean3 | SD3 | ||
Qu et al [37] | 2010 | 70 | 1.76 | 0.62 | / | / | / | 30 | 0.98 | 0.51 |
Sun et al [39] | 2013 | 30 | 0.95 | 0.23 | 54 | 1.12 | 0.26 | / | / | / |
Zhang et al [27] | 2014 | 129 | 0.115 | 0.05 | / | / | / | 122 | 0.105 | 0.03 |
Zhang et al [29] | 2014 | 299 | 1.03 | 0.21 | 93 | 1.09 | 0.22 | 151 | 0.84 | 0.18 |
Yoshizawa et al [40] | 2015 | 108 | 1.2 | 0.4 | / | / | / | 73 | 0.9 | 0.2 |
Liu et al [41] | 2015 | 60 | 0.1254 | 0.0309 | 72 | 0.1315 | 0.0425 | 36 | 0.1084 | 0.0267 |
Zhang et al [42] | 2015 | / | / | / | 90 | 1.31 | 0.3 | 90 | 0.87 | 0.13 |
Zhou et al [43] | 2016 | 60 | 0.94 | 0.22 | 108 | 1.13 | 0.25 | / | / | / |
Ni et al [44] | 2017 | 45 | 0.1339 | 0.0154 | 45 | 0.1478 | 0.0212 | 45 | 0.1045 | 0.0209 |
Selda et al [31] | 2018 | 68 | 1.01 | 0.56 | 58 | 0.97 | 0.29 | 50 | 0.47 | 0.13 |
Amado et al [28] | 2018 | 65 | 0.97 | 0.32 | / | / | / | 18 | 0.88 | 0.2 |
Dickson et al [30] | 2019 | 362 | 1.18 | 0.471 | 1637 | 1.21 | 0.47 | / | / | / |