Skip to main content
. 2021 Sep 15;6(1):e000709. doi: 10.1136/bmjophth-2021-000709

Table 2.

Clinical characteristics

All values are n (%) unless stated otherwise Patients (N=146)
Use contact lenses 20 (13.7)
Screen exposure, hours
 0–<1 10 (6.8)
 1–2 16 (11.0)
 3–4 48 (32.9)
 5–6 36 (24.7)
 7–15 36 (24.7)
Current type of treatment
 Preserved 33 (22.6)
 Non-preserved (eg, hydroxypropyl cellulose ophthalmic insert) 52 (35.6)
 Prescription eye drops (eg, lifitegrast, cyclosporine) 73 (50.0)
 Specialty drugs 11 (7.5)
 Compounded ointments 12 (8.2)
 Gel (eg, loteprednol etabonate) 21 (21.2)
 Other 39 (26.7)
 None 8 (5.5)
Sjögren’s syndrome
 No 122 (83.6)
 Yes 12 (8.2)
 I do not know 11 (7.5)
 Unknownb 1 (0.7)
Patient-reported severity of DED
 Mild 17 (11.6)
 Moderate 28 (19.2)
 Severe 101 (69.2)
DED duration, years
 1–5 90 (61.6)
 6–10 28 (26.0)
 10–35 18 (12.3)

*'Unknown’ indicates that no answer was provided.

†Including hypertension, antidiabetic and analgesic medications.

‡For example, Sjögren’s syndrome, rheumatoid arthritis, lupus.

§For example, mood, depression, anxiety.

¶Including laser-assisted in situ keratomileusis or photorefractive keratectomy.

DED, dry eye disease; GvHD, graft versus host disease; HRT, hormone replacement therapy; HSCT, haematopoietic stem cell transplantation.