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Table 6 Results of logistic regression model analysis for risk factors for intraocular pressure elevation

From: Risk factors for intraocular pressure elevation in a six-month period after ab interno trabeculotomy using a Kahook Dual Blade

 

≥ 20 mmHg

Transient ≥ 20 mmHg

IOP spike

Factors

OR

95% CI

P value

OR

95% CI

P value

OR

95% CI

P value

Age (as 1-year increase)

0.866

0.793–0.945

0.001

0.975

0.937–1.01

0.206

0.95

0.901–0.997

0.004

Male sex (vs. female)

1.39

0.412–4.71

0.594

0.828

0.392–1.75

0.621

1.18

0.399–3.5

0.762

Diagnosis as POAG (vs. EXG)

0.864

0.251–2.98

0.817

0.766

0.345–1.7

0.521

0.57

0.18–1.77

0.328

Preoperative IOP

1.06

0.963–1.17

0.235

1.03

0.969–1.09

0.379

0.83

0.736–0.936

0.002

  (as a 1 mmHg increase)

Preoperative medications

2.02

1.17–3.49

0.012

0.955

0.839–1.09

0.487

1.02

0.851–1.22

0.823

  (as a one-medication increase)

KDB combined with phaco

0.0674

0.015–0.303

 < 0.001

1.19

0.544–2.62

0.658

0.35

0.102–1.19

0.093

 (vs. without phaco)

IOP at day 1

1.41

1.18–1.68

 < 0.001

1.1

1.03–1.17

0.003

1.08

0.998–1.17

0.056

  (as a 1-mmHg increase)

Hyphema (vs. absent)

0.569

0.0679–4.77

0.603

1.1

0.341–3.58

0.869

0.81

0.175–3.76

0.789

  1. OR odds ratio, CI confidence interval, POAG primary open angle glaucoma, EXG exfoliation glaucoma, IOP intraocular pressure, KDB Kahook Dual Blade, phaco phacoemulsification