Table 1.
Demographics and clinical data.
| Sex | Frequency | |||
|---|---|---|---|---|
| Men | 101 | |||
| Women | 330 | |||
| Parameter | Min | Max | Mean | SD |
| Age | 18 | 88 | 52.65 | 21.21 |
| Schirmer test (mm/5 min) | ||||
| Right eye | 0 | 35 | 12.61 | 8.85 |
| Left eye | 0 | 36 | 13.98 | 8.88 |
| TBUT (seconds) | ||||
| Right eye | 1 | 14 | 3.45 | 2.67 |
| Left eye | 1 | 16 | 3.54 | 2.96 |
| OSS | ||||
| Right eye | 0 | 9 | 1.83 | 1.75 |
| Left eye | 0 | 8 | 2.12 | 2.02 |
| ME | ||||
| Right eye | 0 | 3 | 2.17 | 0.86 |
| Left eye | 0 | 3 | 2.25 | 0.84 |
| MQ | ||||
| Right eye | 0 | 24 | 9.86 | 5.71 |
| Left eye | 0 | 22 | 10.27 | 5.90 |
| Blink frequency (blinks/minute) | ||||
| Right eye | 12 | 52 | 26.52 | 8.43 |
| Left eye | 12 | 52 | 26.52 | 8.43 |
| Corneal sensibility | ||||
| Right eye | 30 | 60 | 57.42 | 5.54 |
| Left eye | 15 | 60 | 57.30 | 7.35 |
| Osmolarity (mOsm/L) | ||||
| Right eye | 281 | 313 | 296.45 | 9.30 |
| Left eye | 276 | 329 | 296.07 | 13.41 |
| Meibography (meiboscale by Pult et al.) | ||||
| Right eye | 0 | 4 | 2.31 | 1.14 |
| Left eye | 0 | 4 | 2.34 | 1.12 |
| OSDI | 0 | 80 | 28.62 | 18.83 |
Max maximum, ME meibomian gland expressibility, MQ meibum quality, Min minimum, mm millimetres, mOsm/L milliosmole/litre, OSDI ocular surface disease index, OSS ocular surface staining, SD standard deviation, TBUT tear film break up time.