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Table 2 Comparison of BSCVA and Kmax between HPMC vs. Dextran-treated Groups

From: Corneal collagen crosslinking in patients treated with dextran versus isotonic hydroxypropyl methylcellulose (HPMC) riboflavin solution: a retrospective analysis

 

HPMC Group

Dextran Group

 

Mean

n-value

Mean

n-value

p-value

Change in BSCVA (SD)

1 Month

0.16 (0.15)

17

−0.05 (0.20)

30

< 0.001

6 Months

0.00 (0.17)

15

− 0.13 (0.17)

27

< 0.05

 12 Months

−0.03 (0.16)

15

−0.16 (0.22)

20

0.07

24 Months

−0.01 (0.13)

9

−0.18 (0.17)

15

< 0.05

Change in Kmax (SD)

1 Month

3.32 (4.89)

11

0.12 (2.23)

25

< 0.05

 6 Months

−0.20 (2.22)

12

−1.29 (3.12)

24

0.29

 12 Months

−0.45 (2.35)

11

−2.41 (6.21)

16

0.33

 24 Months

−1.82 (3.38)

9

−1.45 (2.65)

11

0.78

  1. bolded values represent statistical significance
  2. BSCVA= best spectacle corrected visual acuity, HPMC= hydroxypropyl methylcellulose, SD= standard deviation