Susanne Collier Valle1, Ragnhild Støen2, Rannei Sæther3, Alexander Refsum Jensenius4, Lars Adde5. 1. Department of Occupational and Physiotherapy, Skien Municipality, Ergo-og fysioterapitjenesten, Skien Kommune, Kongensgate 31, Postboks 158, 3731 Skien, Norway. Electronic address: susanne_collier_valle@hotmail.com. 2. Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology (NTNU), Medical Faculty, P.O. Box 8905, 7491 Trondheim, Norway; Department of Pediatrics, St. Olavs Hospital HF, P.O. Box 3250 Sluppen, 7006 Trondheim, Norway. Electronic address: ragnhild.stoen@ntnu.no. 3. Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology (NTNU), Medical Faculty, P.O. Box 8905, 7491 Trondheim, Norway; Department of Pediatrics, St. Olavs Hospital HF, P.O. Box 3250 Sluppen, 7006 Trondheim, Norway. Electronic address: rannei.sather@ntnu.no. 4. Department of Musicology, P.O. Box 1017 Blindern, 0316 Oslo, Norway. Electronic address: a.r.jensenius@imv.uio.no. 5. Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology (NTNU), Medical Faculty, P.O. Box 8905, 7491 Trondheim, Norway; Clinics of Clinical Service, St. Olavs Hospital HF, P.O. Box 3250 Sluppen, 7006 Trondheim, Norway. Electronic address: lars.adde@ntnu.no.
Abstract
BACKGROUND: A computer-based video analysis has recently been presented for quantitative assessment of general movements (GMs). This method's test-retest reliability, however, has not yet been evaluated. AIMS: The aim of the current study was to evaluate the test-retest reliability of computer-based video analysis of GMs, and to explore the association between computer-based video analysis and the temporal organization of fidgety movements (FMs). STUDY DESIGN: Test-retest reliability study. SUBJECTS: 75 healthy, term-born infants were recorded twice the same day during the FMs period using a standardized video set-up. OUTCOME MEASURES: The computer-based movement variables "quantity of motion mean" (Qmean), "quantity of motion standard deviation" (QSD) and "centroid of motion standard deviation" (CSD) were analyzed, reflecting the amount of motion and the variability of the spatial center of motion of the infant, respectively. In addition, the association between the variable CSD and the temporal organization of FMs was explored. Intraclass correlation coefficients (ICC 1.1 and ICC 3.1) were calculated to assess test-retest reliability. RESULTS: The ICC values for the variables CSD, Qmean and QSD were 0.80, 0.80 and 0.86 for ICC (1.1), respectively; and 0.80, 0.86 and 0.90 for ICC (3.1), respectively. There were significantly lower CSD values in the recordings with continual FMs compared to the recordings with intermittent FMs (p<0.05). CONCLUSION: This study showed high test-retest reliability of computer-based video analysis of GMs, and a significant association between our computer-based video analysis and the temporal organization of FMs.
BACKGROUND: A computer-based video analysis has recently been presented for quantitative assessment of general movements (GMs). This method's test-retest reliability, however, has not yet been evaluated. AIMS: The aim of the current study was to evaluate the test-retest reliability of computer-based video analysis of GMs, and to explore the association between computer-based video analysis and the temporal organization of fidgety movements (FMs). STUDY DESIGN: Test-retest reliability study. SUBJECTS: 75 healthy, term-born infants were recorded twice the same day during the FMs period using a standardized video set-up. OUTCOME MEASURES: The computer-based movement variables "quantity of motion mean" (Qmean), "quantity of motion standard deviation" (QSD) and "centroid of motion standard deviation" (CSD) were analyzed, reflecting the amount of motion and the variability of the spatial center of motion of the infant, respectively. In addition, the association between the variable CSD and the temporal organization of FMs was explored. Intraclass correlation coefficients (ICC 1.1 and ICC 3.1) were calculated to assess test-retest reliability. RESULTS: The ICC values for the variables CSD, Qmean and QSD were 0.80, 0.80 and 0.86 for ICC (1.1), respectively; and 0.80, 0.86 and 0.90 for ICC (3.1), respectively. There were significantly lower CSD values in the recordings with continual FMs compared to the recordings with intermittent FMs (p<0.05). CONCLUSION: This study showed high test-retest reliability of computer-based video analysis of GMs, and a significant association between our computer-based video analysis and the temporal organization of FMs.
Authors: Ragnhild Støen; Nils Thomas Songstad; Inger Elisabeth Silberg; Toril Fjørtoft; Alexander Refsum Jensenius; Lars Adde Journal: Pediatr Res Date: 2017-07-26 Impact factor: 3.756
Authors: Nelson Silva; Dajie Zhang; Tomas Kulvicius; Alexander Gail; Carla Barreiros; Stefanie Lindstaedt; Marc Kraft; Sven Bölte; Luise Poustka; Karin Nielsen-Saines; Florentin Wörgötter; Christa Einspieler; Peter B Marschik Journal: Res Dev Disabil Date: 2021-02-08