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Table 1 Patient characteristics

From: The long-term outcome of trabeculotomy: comparison with filtering surgery in Japan

Preoperative data Trabeculotomy Trabeculectomy P
Number of cases 25 eyes of 25 patients 20 eyes of 20 patients
Age (years) 41.8 ± 15.2 (18–69) 49.6 ± 9.8 (28–64) 0.120
Sex (Male/Female) 14/11 13/7
Glaucoma type 25 20
Mean follow-up period (years) 8.2 ± 1.9 (6.0–11.0) 7.8 ± 1.6 (6.0–11.0) 0.461
IOP (mmHg) 22.2 ± 6.8 (12.3–44) 24.0 ± 10.9 (13.7–56) 0.981
Medication number 4.4 ± 1.2 (2–7) 4.3 ± 1.4 (2–8) 0.563
HFA30–2 MD (dB) −6.48 ± 4.07 (− 13.76 − + 0.27) − 10.02 ± 3.63 (− 14.75 - -3.08) 0.009
  1. IOP intraocular pressure, MD mean deviation, HFA Humphrey field analyzer
  2. Mean ± SD (range), P Mann-Whitney’s U test