Table 1 Demographics and eye examination results by disease types and in total
From: Ocular surface health in Shanghai University students: a cross-sectional study
Dry eye disease | Cornea fluorescein staining | Corneal sensation | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Total (N = 901) | Absent (N = 733) | Present (N = 94) | P-value | ≤ 1 (N = 796) | >1 (N = 89) | P-value | >30 mm (N = 780) | ≤ 30 mm (N = 105) | P-value | |
Age, years | 19.7 (2.7) | 19.7 (2.7) | 19.9 (2.5) | 0.4721a | 19.7 (2.7) | 19.8 (2.5) | 0.5520a | 19.7 (2.7) | 19.7 (2.5) | 0.8036a |
Age, years [n (%)] | 0.6914b | 0.0860b | 0.8003b | |||||||
< 18 | 102 (11.3%) | 85 (11.6%) | 6 (6.4%) | 88 (11.1%) | 14 (15.7%) | 91 (11.7%) | 11 (10.5%) | |||
18 ≤ age < 19 | 322 (35.7%) | 264 (36.0%) | 34 (36.2%) | 294 (36.9%) | 21 (23.6%) | 275 (35.3%) | 40 (38.1%) | |||
19 ≤ age < 20 | 124 (13.8%) | 101 (13.8%) | 13 (13.8%) | 107 (13.4%) | 14 (15.7%) | 109 (14.0%) | 12 (11.4%) | |||
20 ≤ age < 21 | 94 (10.4%) | 77 (10.5%) | 11 (11.7%) | 85 (10.7%) | 8 (9.0%) | 85 (10.9%) | 8 (7.6%) | |||
21 ≤ age < 22 | 89 (9.9%) | 70 (9.5%) | 12 (12.8%) | 73 (9.2%) | 14 (15.7%) | 76 (9.7%) | 11 (10.5%) | |||
≥ 22 | 170 (18.9%) | 136 (18.6%) | 18 (19.1%) | 149 (18.7%) | 18 (20.2%) | 144 (18.5%) | 23 (21.9%) | |||
Gender [n (%)] | 0.4143b | 0.6014b | 0.7361b | |||||||
Male | 397 (44.1%) | 321 (43.8%) | 37 (39.4%) | 354 (44.5%) | 37 (41.6%) | 343 (44.0%) | 48 (45.7%) | |||
Female | 504 (55.9%) | 412 (56.2%) | 57 (60.6%) | 442 (55.5%) | 52 (58.4%) | 437 (56.0%) | 57 (54.3%) | |||
Height(cm) | 158.3 (37.9) | 159.0 (36.9) | 157.2 (38.1) | 0.6505a | 158.4 (37.7) | 157.7 (39.3) | 0.8593a | 159.3 (35.8) | 151.7 (50.0) | 0.0560a |
Weight(Kg) | 54.9 (16.6) | 55.2 (16.6) | 53.9 (15.3) | 0.4793a | 55.0 (16.3) | 55.0 (19.0) | 0.9694a | 55.4 (16.1) | 52.2 (19.8) | 0.0649a |
BMI(Kg/m^2) | 19.7 (5.2) | 19.7 (5.2) | 19.6 (4.9) | 0.8058a | 19.7 (5.1) | 19.6 (5.9) | 0.9738a | 19.8 (5.0) | 18.6 (6.4) | 0.0216a |
Axial length R, mm | 25.0 (2.6) | 25.0 (2.7) | 25.0 (2.8) | 0.9968a | 25.0 (2.6) | 24.9 (2.9) | 0.7163a | 25.1 (2.3) | 24.6 (4.4) | 0.1407a |
Axial length L, mm | 24.8 (3.0) | 24.8 (3.0) | 24.9 (2.8) | 0.8640a | 24.8 (2.9) | 24.6 (3.9) | 0.5279a | 24.8 (2.8) | 24.5 (4.4) | 0.3616a |
Intraocular pressure R, mmHg | 13.9 (3.4) | 13.9 (3.4) | 13.7 (3.4) | 0.5859a | 13.9 (3.4) | 14.0 (3.2) | 0.7750a | 13.9 (3.3) | 13.7 (3.8) | 0.5143a |
Intraocular pressure L, mmHg | 14.0 (3.5) | 14.1 (3.4) | 13.5 (3.4) | 0.1393a | 14.0 (3.5) | 13.8 (3.3) | 0.6580a | 14.0 (3.5) | 13.8 (3.4) | 0.6178a |
Diopter R, D | 398.7 (259.5) | 400.3 (256.3) | 408.2 (257.9) | 0.7782a | 400.4 (264.8) | 377.4 (205.1) | 0.4278a | 397.7 (259.4) | 400.7 (260.9) | 0.9119a |
Diopter L, D | 368.4 (264.7) | 365.8 (265.1) | 404.0 (237.4) | 0.1835a | 368.4 (269.8) | 361.7 (215.6) | 0.8189a | 366.4 (261.8) | 377.7 (286.8) | 0.6810a |