Figure 4
From: Validity of OSDI-6 questionnaire in a Chinese adult population

Boxplot distribution of C-OSDI and C-OSDI-6 (Chinese Ocular Surface Disease Index-6) total scores.
From: Validity of OSDI-6 questionnaire in a Chinese adult population
Boxplot distribution of C-OSDI and C-OSDI-6 (Chinese Ocular Surface Disease Index-6) total scores.