TABLE 3.
Correlation analyses of DED-related ophthalmologic parameters and relevant factors, including general information, OSA parameters, and sleep quality among all the participants.
| Schirmer I test (mm/5 min) |
Oxford corneal staining score | OSDI | f-NITBUT (s) | av-NITBUT (s) | TMH (mm) | Loss on upper eyelid meibography (%) | Loss on lower eyelid meibography (%) | |
| Age |
r = 0.04 (−0.08∼0.17) P = 0.505 |
r = −0.44 (−0.17∼0.08) P = 0.492 |
r = −0.06 (−0.19∼0.06) P = 0.316 |
r = −0.01 (−0.13∼0.11) P = 0.873 |
r = 0.04 (−0.09∼0.16) P = 0.562 |
r = 0.03 (−0.09∼0.16) P = 0.619 |
r = 0.13 (0.01∼0.25) P = 0.039 |
r = −0.04 (−0.06∼0.18) P = 0.327 |
| BMI |
r = −0.15 (−0.27∼−0.02) P = 0.02 |
r = 0.06 (−0.07∼0.18) P = 0.344 |
r = 0.09 (−0.04∼0.21) P = 0.172 |
r = −0.07 (−0.19∼0.06) P = 0.302 |
r = −0.11 (−0.23∼0.02) P = 0.099 |
r = −0.04 (−0.17∼0.08) P = 0.502 |
r = 0.10 (−0.02∼0.22) P = 0.135 |
r = 0.09 (0.01∼0.26) P = 0.031 |
| AHI |
r = −0.28 (−0.39∼−0.17) P < 0.001 |
r = 0.15 (0.03∼0.27) P = 0.016 |
r = 0.44 (0.34∼0.54) P < 0.001 |
r = −0.27 (−0.38∼−0.15) P < 0.001 |
r = −0.24 (−0.35∼−0.12) P < 0.001 |
r = −0.15 (−0.27∼−0.02) P = 0.019 |
r = 0.33 (0.21∼0.44) P < 0.001 |
r = 0.42 (0.23∼0.45) P < 0.001 |
| OAI |
r = −0.29 (−0.40∼−0.17) P < 0.001 |
r = 0.21 (0.09∼0.32) P = 0.001 |
r = 0.47 (0.37∼0.56) P < 0.001 |
r = −0.29 (−0.40∼−0.18) P < 0.001 |
r = −0.27 (−0.38∼−0.15) P < 0.001 |
r = −0.18 (−0.29∼−0.05) P = 0.005 |
r = 0.36 (0.24∼0.46) P < 0.001 |
r = 0.45 (0.26∼0.47) P < 0.001 |
| ODI |
r = −0.29 (−0.40∼−0.17) P < 0.001 |
r = 0.18 (0.06∼0.30) P = 0.004 |
r = 0.42 (0.32∼0.52) P < 0.001 |
r = −0.27 (−0.38∼−0.15) P < 0.001 |
r = −0.24 (−0.35∼−0.12) P < 0.001 |
r = −0.16 (−0.28∼−0.03) P = 0.013 |
r = 0.32 (0.20∼0.42) P < 0.001 |
r = 0.42 (0.19∼0.42) P < 0.001 |
| MSpO2 |
r = 0.23 (0.11∼ 0.34) P < 0.001 |
r = −0.08 (−0.21∼0.04) P = 0.19 |
r = −0.33 (−0.44∼0.22) P < 0.001 |
r = 0.17 (0.04∼0.28) P = 0.009 |
r = 0.14 (0.01∼0.26) P = 0.03 |
r = 0.16 (0.03∼0.28) P = 0.012 |
r = −0.27 (−0.38∼−0.15) P < 0.001 |
r = 0.29 (−0.40∼−0.17) P < 0.001 |
| LSpO2 |
r = 0.22 (0.10∼ 0.34) P < 0.001 |
r = −0.09 (−0.21∼ 0.04) P = 0.165 |
r = −0.33 (−0.43∼−0.21) P < 0.001 |
r = 0.19 (0.07∼0.31) P = 0.003 |
r = 0.16 (0.04∼0.28) P = 0.011 |
r = 0.11 (−0.02∼0.23) P = 0.086 |
r = 0.27 (−0.38∼−0.15) P < 0.001 |
r = −0.41 (−0.39∼−0.16) P < 0.001 |
| CT90 |
r = −0.29 (−0.40∼−0.17) P < 0.001 |
r = 0.24 (0.12∼0.36) P < 0.001 |
r = 0.43 (0.33∼0.53) P < 0.001 |
r = −0.26 (−0.37∼−0.14) P < 0.001 |
r = −0.23 (−0.34∼−0.11) P < 0.001 |
r = −0.13 (−0.25∼−0.01) P = 0.035 |
r = 0.27 (0.15∼0.38) P < 0.001 |
r = 0.38 (0.17∼0.40) P < 0.001 |
| Total PSQI Score |
r = 0.31 (−0.42∼−0.19) P < 0.001 |
r = 0.25 (0.13∼0.36) P < 0.001 |
r = 0.47 (0.36∼0.56) P < 0.001 |
r = −0.31 (−0.42∼−0.19) P < 0.001 |
r = −0.26 (−0.38∼−0.15) P < 0.001 |
r = −0.26 (−0.38∼−0.14) P < 0.001 |
r = 0.37 (0.26∼0.47) P < 0.001 |
r = 0.04 (0.27∼0.48) P < 0.001 |
The linear correlations with a significant difference were marked in bold. OSA, obstructive sleep apnea; AHI, apnea-hypopnea index; OAI, obstructive apnea index; MSpO2, mean nocturnal oxygen saturation; ODI, oxygen desaturation index; LSpO2, lowest oxygen saturation; TS90%, time spent below oxygen saturation of 90%.