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Table 1 Patient demographics

From: Chung’s swing technique: a new technique for small-incision lenticule extraction

Characteristics

Traditional group

Swing group

p-value

Eyes (n)

52

60

 

Sex (M/F)

16/36

22/38

 

Age (years)

26.28 ± 6.63 (18 ~ 39)

24.08 ± 5.42 (18 ~ 36)

0.127

Mean corneal power (dioter)

43.99 ± 1.6 (40 ~ 47.75)

44.27 ± 1.58 (39.75 ~ 49.25)

0.451

UDVA (logMAR)

1.17 ± 0.47 (0.7 ~ 2)

1.15 ± 0.49 (0.4 ~ 2)

0.996

CDVA (logMAR)

−0.04 ± 0.05 (−0.1 ~ 0.1)

−0.05 ± 0.05 (−0.1 ~ 0.1)

0.897

IOP (mmHg)

15.7 ± 2.94 (9 ~ 19)

14.5 ± 2.42 (11 ~ 18)

0.781

Sphere (diopter)

−5.19 ± 1.49 (−8.75 ~ −2.75)

−4.52 ± 1.79 (−9.0 ~ −3.5)

0.674

Cylinder (diopter)

−1.01 ± 0.43 (−2 ~ 0)

−1.10 ± 0.44 (−2 ~ −0.5)

0.718

Spherical equivalent (diopter)

−5.69 ± 1.53 (−9.13 ~ −2.75)

−5.07 ± 1.80 (−9.25 ~ −3.38)

0.656

Central corneal thickness (μm)

522.8 ± 28.7 (481 ~ 571)

513.4 ± 30.4 (488 ~ 580)

0.524

Expected residual corneal bed (μm)

319.6 ± 29.1 (254 ~ 364)

308.7 ± 28.8 (252 ~ 351)

0.447