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. 2024 Mar 7;24:112. doi: 10.1186/s12886-024-03371-3

Table 2.

The changes in MRD1 measurements in the both groups

MRD1(mm)
Mean ± SD
Median (Range)
Group I
(n = 35 eyelids)
Group II
(n = 25 eyelids)
P
Pre-operative
Mean ± SD 0.54 ± 0.7 0.4 ± 0.7 0.7
Median (range) 1(-1/1) 1(-1/1)
1st postoperative month 3.07 ± 0.5 3.16 ± 0.62 0.5
3(2.5-4) 3(2-4.5)
6th postoperative month 2.4 ± 0.6 2.9 ± 0.5 0.1
2.5 (1–3) 3 (2–4)
12th postoperative month 2.2 ± 0.8 2.8 ± 0.5 0.06
2.5(0–3) 3 (2–4)
Last follow up visit 2.1 ± 0.8 2.8 ± 0.6 0.04*
2.5(0–3) 3 (1–4)
P1 < 0.0001* < 0.0001*
P2 0.005* 0.005*

MRD1 margin reflex distance; P: difference among the three groups regarding preoperative MRD1 and postoperative MRD1 in each visit; P1: difference between preoperative MRD1 and the first month MRD1; P2: difference between MRD1 of the first month and the MRD1of the last follow up visit for each group; *statistically significant