. 2020 Oct 31;259(3):777–786. doi: 10.1007/s00417-020-04990-4

Table 3.

The characteristics of eyes with Post-LASIK myopic regression

	Patients with myopic regression (n = 582) n (column %)	P value
Number (%)	78 (13.4%)	198 (34%)	306 (52.6%)	---
Age (yrs)
Mean ± SD Range	21 ± 0.1 (21 to 29)	24.6 ± 5.1 (21 to 36)	25.65 ± 6.8 (21 to 39)	0.166
Sex: n, (%)
Male Female	28 (36%) 50 (64%)	124 (62.6%) 74 (37.4%)	108 (35.3%) 198 (64.7%)	< 0.001*
Eye: n, (%)
Right Left	40 (51%) 38 (49%)	74 (37.4%) 124 (62.6%)	200 (65.4%) 106 (34.6%)	< 0.001*
SE(D):
Mean ± SD Range	− 2.75 ± 0.1 (− 2.50 to − 2.75)	− 4.43 ± 0.73 (− 3.50 to − 5.5)	− 7.91 ± 1.45 (− 6.25 to − 10.0)	< 0.001*
K min(D)
Mean ± SD Range	40.07 ± 0.12 (39.97 to 40.2)	41.49 ± 1.42 (39.82 to 44.01)	43.52 ± 1.35 (41.6 to 45.23)	0.001*
K max(D)
Mean ± SD Range	42.06 ± 0.08 (41.99 to 42.13)	43.34 ± 1.35 (41.7 to 45.7)	44.96 ± 1.24 (42.4 to 46.7)	0.001*

Patients with myopic regression (n = 582)
n (column %)

P value

Low myopia
> − 3.0D

Moderate myopia
− 3.0 to > − 6.0D

High myopia
≤ − 6.0D

Number (%)

78 (13.4%)

198 (34%)

306 (52.6%)

---

Age (yrs)

Mean ± SD

Range

21 ± 0.1

(21 to 29)

24.6 ± 5.1

(21 to 36)

25.65 ± 6.8

(21 to 39)

0.166

Sex: n, (%)

Male

Female

28 (36%)

50 (64%)

124 (62.6%)

74 (37.4%)

108 (35.3%)

198 (64.7%)

< 0.001*

Eye: n, (%)

Right

Left

40 (51%)

38 (49%)

74 (37.4%)

124 (62.6%)

200 (65.4%)

106 (34.6%)

< 0.001*

SE(D):

Mean ± SD

Range

− 2.75 ± 0.1

(− 2.50 to − 2.75)

− 4.43 ± 0.73

(− 3.50 to − 5.5)

− 7.91 ± 1.45

(− 6.25 to − 10.0)

< 0.001*

K min(D)

Mean ± SD

Range

40.07 ± 0.12

(39.97 to 40.2)

41.49 ± 1.42

(39.82 to 44.01)

43.52 ± 1.35

(41.6 to 45.23)

0.001*

K max(D)

Mean ± SD

Range

42.06 ± 0.08

(41.99 to 42.13)

43.34 ± 1.35

(41.7 to 45.7)

44.96 ± 1.24

(42.4 to 46.7)

0.001*

SE spherical equivalent, n number, yrs years, SD standard deviation, D diopter, K min minimum keratometric power, K max maximum keratometric power

*Statistically significant