Fig. 2From: The long-term outcome of trabeculotomy: comparison with filtering surgery in Japana Survival curve. Probability of success defined as IOP < 21 mmHg calculated with the Kaplan-Meier life-table analysis. Dotted line represents trabeculectomy, solid line represents trabeculotomy. No significant difference was found between the two groups (P = 0.170; log-rank test). b Survival curve. Probability of success defined as IOP < 16 mmHg calculated with the Kaplan-Meier life-table analysis. Dotted line represents trabeculectomy, solid line represents trabeculotomy. There was significant difference between the two groups (P = 0.012; **: P < 0.05; log-rank test)Back to article page