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Table 4 Number at risk by time in Kaplan-Meier survival analysis

From: Early bleb parameters as long-term prognostic factors for surgical success: a retrospective observational study using three-dimensional anterior-segment optical coherence tomography

Time (day) 0 100 200 300 400 500
Wide opening 23 16 15 12 9 8
Narrow opening 22 20 19 18 16 13