Table 3.
Group A (n = 98) | Group B (n = 87) | |||||||
---|---|---|---|---|---|---|---|---|
N | Average ChT, µm | AL, mm | IAL, mm | N | Average ChT, µm | AL, mm | IAL, mm | |
Baseline refraction | ||||||||
−0.5 to <−1 D | 12 | 45 (33) | −0.09 (0.15) | −0.03 (0.13) | 10 | −6 (32) | 0.18 (0.20) | 0.17 (0.17) |
−1 to <−2 D | 37 | 29 (21) | −0.06 (0.08) | −0.01 (0.07) | 31 | −9 (13) | 0.21 (0.12) | 0.21 (0.12) |
−2 to <−3 D | 31 | 25 (18) | −0.03 (0.14) | 0.00 (0.12) | 27 | −7 (15) | 0.20 (0.11) | 0.19 (0.12) |
≤ −3 D | 18 | 13 (14) | 0.05 (0.14) | 0.06 (0.13) | 19 | 3 (15) | 0.14 (0.07) | 0.15 (0.07) |
P value | 0.001 | 0.02 | 0.04 | 0.13 | 0.32 | 0.47 | ||
Baseline AL | ||||||||
≤24 mm | 31 | 35 (25) | −0.06 (0.10) | −0.01 (0.09) | 32 | −9 (18) | 0.22 (0.11) | 0.22 (0.10) |
24< to 25 mm | 45 | 25 (23) | −0.03 (0.13) | 0.00 (0.11) | 41 | −3 (18) | 0.16 (0.14) | 0.16 (0.14) |
>25 mm | 22 | 19 (14) | −0.00 (0.14) | 0.03 (0.13) | 14 | 0 (12) | 0.19 (0.07) | 0.18 (0.06) |
P value | 0.04 | 0.31 | 0.41 | 0.16 | 0.11 | 0.13 | ||
Presence of PPA | ||||||||
Without | 36 | 42 (25) | −0.09 (0.12) | −0.04 (0.11) | 20 | −9 (19) | 0.22 (0.13) | 0.21 (0.15) |
With | 62 | 18 (15) | 0.00 (0.12) | 0.03 (0.11) | 67 | −4 (17) | 0.18 (0.12) | 0.18 (0.11) |
P value | <0.001 | <0.001 | 0.001 | 0.25 | 0.33 | 0.25 |
The data are the changes from baseline visits for each group, presented as mean (standard deviation).
P value for comparisons among refraction and AL groups using ANOVA, or between participants with and without PPA using the Student t-test.