CL<25mm P 95%CI I2 RR Exclude the literature name The p values were after the sensitivity analysis Publication bias Quality of evidence
sptd<34 0.04* 0.73 0.54,0.98 80% 2.07 Nicolaided 2015 0.005* + low
ptd<34 0.0001* 0.53 0.38,0.73 0% 3.82 - - - moderate
<2500 0.00001* 0.62 0.54,0.72 95% 6.32 Merced 2019 0.05 + low
<1500 0.87 0.97 0.68,1.38 0 0.16 - - - moderate