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. 2018 Jul;59(8):3307–3313. doi: 10.1167/iovs.18-24016

Table 2.

Clinical Signs and Symptoms

Test
CL Wearers (Mean ± SD) Non-CL Wearers (Mean ± SD) P Value
N = 149
N = 130
TMH, mm 0.22 ± 0.11 0.27 ± 0.12 0.0004
PRT, mm 4.34 ± 5.08 3.93 ± 3.80 0.43
Self-reported DE, % 36.9 39.1 0.71
Self-reported MGD, % 19.6 17.3 0.65
Diagnosed DE, % 66.7 55.2 0.052
SPEED 8-item sum score 7.4 ± 4.7 7.3 ± 5.0 NA
SPEED 8-item Rasch score* 30.6 ± 14.1 30.2 ± 14.5 0.82
CLDEQ-8 sum score 13.3 ± 6.6 NA NA
CLDEQ-8 Rasch score* 47.4 ± 11.4 NA NA
CLDEQ 4-item sum score 7.6 ± 3.8 NA NA
CLDEQ 4-item Rasch score* 42.6 ± 20.6 NA NA
*

Logits were converted to a 0 to 100 scale. Values of P < 0.05 were considered significantly different.