Acta Stereologica

0351-580X

 

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Veli-Matti Kosma, Yrjö Collan, Marja-Leena Aalto, Anders Seppä, Markus Rautiainen & Kalevi Selkäinaho

Reproducibility in morphometric assessment of positive staining for CEA in ovarian tumours

(Volume 3 (1984) — Number 1 - May 1984)
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Abstract

Positive staining for carcinoembryonic antigen (CEA) in 30 ovarian tumours was assessed subjectively and morphometrically. The kappa coefficient (κ) and the intraclass correlation coefficient (ICC) were used to assess reproducibility. On subjective grading by 5 observers κ was 0.51 (90% confidence limits: 0.39-0.63) and by one observer (5 estimates) 0.96 (0.92-1). On morphometry the ICC of individual fields (5-person test) was 0.49-0.81 (0.26-0.93) and of standardized fields 0.64-0.78 (0.28-0.96), respectively. The ICC in 12 samples (5-person test, interobserver reproducibility) was 0.78-0.93 (0.31-0.99). In an intraobserver test (5 measurements) ICC was 0.87-0.95 (0.45-0.98). The results suggest that morphometric assessment is more reproducible than subjective assessment and that the human variations in counting account for most of the variation in morphometric reproducibility.

Para citar este artículo

Veli-Matti Kosma, Yrjö Collan, Marja-Leena Aalto, Anders Seppä, Markus Rautiainen & Kalevi Selkäinaho, «Reproducibility in morphometric assessment of positive staining for CEA in ovarian tumours», Acta Stereologica [En ligne], Volume 3 (1984), Number 1 - May 1984, 71-74 URL : https://popups.uliege.be/0351-580x/index.php?id=3956.

Acerca de: Veli-Matti Kosma

Department of Pathology, University of Kuopio, P.O.Box 6, SF 70211 Kuopio 21, Finland

Acerca de: Yrjö Collan

Department of Pathology, University of Kuopio, P.O.Box 6, SF 70211 Kuopio 21, Finland

Acerca de: Marja-Leena Aalto

Department of Pathology, University of Kuopio, P.O.Box 6, SF 70211 Kuopio 21, Finland

Acerca de: Anders Seppä

Department of Pathology, University of Kuopio, P.O.Box 6, SF 70211 Kuopio 21, Finland

Acerca de: Markus Rautiainen

Department of Pathology, University of Kuopio, P.O.Box 6, SF 70211 Kuopio 21, Finland

Acerca de: Kalevi Selkäinaho

Department of Applied Mathematics, University of Kuopio, P.O.Box 6, SF 70211 Kuopio 21, Finland