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. 2014 Oct 20;9(10):e110821. doi: 10.1371/journal.pone.0110821

Table 5. The classification of participants with Cch.

1 2 3
Grade (G) 43 (21.7%) 131 (66.2%) 24 (12.1%)
G1-Subgrade T: 33(76.6%) M: 5 (11.6%) N: 5 (11.6%)
G2-Subgrade T+N: 115 (87.8%) M+N: 16 (12.2%)
Folds versus Tear Meniscus Height (H) 86 (43.4%) 70 (35.4%) 42 (21.2%)
Punctal Occlusion (O) 172 (86.9%) 26 (13.1%)
Changes in Down Gaze (DG) 117 (59.1%) 7 (3.5%) 74 (37.4%)
Changes by Digital Pressure (P) 125 (63.1%) 36 (18.2%) 37 (18.7%)

T: Temporal, M:Middle, N: Nasal.