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. 2023 Jul 10;47(5):1870–1883. doi: 10.1007/s00266-023-03436-6

Table 3.

Meta-analysis results for K1

Study Number of eyes Preoperative Postoperative
Mean (D) SD Mean (D) SD Mean Difference
Altin Ekin et al. [2] 103 43.35 1.92 43.68 1.77 0.33 [− 0.17; 0.83]
Osaki et al. [11] 40 44.66 2.06 44.78 2.28 0.12 [− 0.83; 1.07]
Bhattacharjee et al. [14] 60 42.41 1.08 42.40 1.08 − 0.01 [− 0.40; 0.38]
Vola et al. [20] 60 43.95 1.30 43.96 1.29 0.01 [− 0.45; 0.47]
Total (95% CI): P=0.49; I2 = 0% 0.09 [− 0.16; 0.33]
Skin only blepharoplasties [2, 11] (95% CI): P=0.21; I2 = 0% 0.28 [− 0.16; 0.73]
Follow-up > 1 month [11, 14, 20](95% CI): P=0.95; I2 = 0% 0.01 [− 0.27; 0.29]
Follow-up ≥ 6 months [14, 20] (95% CI): P=0.99; I2 = 0% 0.00 [− 0.30; 0.30]
Subgroup differences (skin only blepharoplasty [2, 11] and other techniques [14, 20]): P = 0,30; I2 = 8,6%

D: Diopters; SD: Standard deviation; 95% CI: Ninety-five percent confidence interval; I2: I2 test for heterogeneity; P: P values