Abstract：
:Purpose. To investigate the sensitivity and specificity of machine learning classifiers (MLC) and spectral domain optical coherence tomography (SD-OCT) for the diagnosis of glaucoma. Methods. Sixty-two patients with early to moderate glaucomatous visual field damage and 48 healthy individuals were included. All subjects underwent a complete ophthalmologic examination, achromatic standard automated perimetry, and RNFL imaging with SD-OCT (Cirrus HD-OCT; Carl Zeiss Meditec, Inc., Dublin, California, USA). Receiver operating characteristic (ROC) curves were obtained for all SD-OCT parameters. Subsequently, the following MLCs were tested: Classification Tree (CTREE), Random Forest (RAN), Bagging (BAG), AdaBoost M1 (ADA), Ensemble Selection (ENS), Multilayer Perceptron (MLP), Radial Basis Function (RBF), Naive-Bayes (NB), and Support Vector Machine (SVM). Areas under the ROC curves (aROCs) obtained for each parameter and each MLC were compared. Results. The mean age was 57.0±9.2 years for healthy individuals and 59.9±9.0 years for glaucoma patients (p=0.103). Mean deviation values were -4.1±2.4 dB for glaucoma patients and -1.5±1.6 dB for healthy individuals (p<0.001). The SD-OCT parameters with the greater aROCs were inferior quadrant (0.813), average thickness (0.807), 7 o'clock position (0.765), and 6 o'clock position (0.754). The aROCs from classifiers varied from 0.785 (ADA) to 0.818 (BAG). The aROC obtained with BAG was not significantly different from the aROC obtained with the best single SD-OCT parameter (p=0.93). Conclusions. The SD-OCT showed good diagnostic accuracy in a group of patients with early glaucoma. In this series, MLCs did not improve the sensitivity and specificity of SD-OCT for the diagnosis of glaucoma.
journal_name
Eur J Ophthalmoljournal_title
European journal of ophthalmologyauthors
Vidotti VG,Costa VP,Silva FR,Resende GM,Cremasco F,Dias M,Gomi ESdoi
10.5301/ejo.5000183subject
Has Abstractpub_date
2012-06-15 00:00:00eissn
1120-6721issn
1724-6016pii
F214BABF-EDA7-477C-882A-022C8AC1B69Dpub_type
杂志文章abstract：PURPOSE:To estimate the incidence of retinopathy of prematurity and other ocular problems in a population of preterm infants. METHODS:This retrospective study included all infants with gestational age (GA) <32 weeks and birth weight (BW) <1500 g cared for in the neonatal intensive care unit (NICU) over a period of nin...
journal_title：European journal of ophthalmology
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