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Table 1 Mean (95% confidence intervals) readings of ependymal ciliary beat frequency using three different methods of measurement at two different temperatures

From: Analysis of ependymal ciliary beat pattern and beat frequency using high speed imaging: comparison with the photomultiplier and photodiode methods

 

Frequency (Hz) (95% confidence levels)

Temperature

HSV

Photomultiplier

Photodiode

30°C

27.7 (26.6 to 28.8)

25.5 (24.4 to 26.6)

20.8 (20.4 to 21.3)

37°C

36.4 (34 to 39.5)

38.4 (36.8 to 39.9)

18.8 (16.9 to 20.5)

  1. HSV and Photomultiplier n = 28 at 30°C and 37°C; photodiode n = 16 at 30°C and n = 23 at 37°C. HSV, high speed video.