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.

Om dit artikel te citeren:

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.ulg.ac.be/0351-580x/index.php?id=3956.

Over : Veli-Matti Kosma

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

Over : Yrjö Collan

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

Over : Marja-Leena Aalto

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

Over : Anders Seppä

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

Over : Markus Rautiainen

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

Over : Kalevi Selkäinaho

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