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Table 4 Comparison between success rates of our study and previous similar studies

From: Endoscopic Dacryocystorhinostomy (DCR): a comparative study between powered and non-powered technique

Author Country Instrument used Success rate (%)
Ben Simon, et al. [2] USA Kerrison punch 84
Gurler, et al. [3]   Drill 88.9
Wormald [6] Australia Drill 95.7
Kim, et al. [8] Korea Kerrison punch 90.5
Codere, et al. [10] Canada Kerrison punch 98
Graz-Cabrerizo, et al. [13] Spain Kerrison punch 83
Naraghi, et al. [14] Iran Kerrison punch 95
Agarwal [15] India Kerrison punch 94 (100 % with Revisions)
Yoshida, et al. [16] Japan Drill 93.6
Saratziotis, et al. [17] Greece Drill 97.8
Jin, et al. [18] Korea Drill 96
Razavi, et al. [20] Iran Kerrison punch 96
Current study Saudi Arabia Kerrison punch 87.88
Drill 90.91