Subgroup analysis indicated that while both 577 and 810 nm wavelengths showed a downward trend in CMT, the differences did not reach statistical significance ( P > 0.05).
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Efficacy and safety of subthreshold micropulse laser for chronic central serous chorioretinopathy: a systematic review and meta-analysis.
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The sentences
Although improvements in subretinal fluid height (SRFH) were not statistical significance, most studies indicated a positive trend.