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Table 2 Limits of agreement for comparison to high speed video method

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

Temperature °C Method Difference Limits of agreement
   Mean SD  
30 Photomultiplier 2.17 2.60 -3.03 to 7.37
37   -2.00 4.15 -10.30 to 6.29
30 Photodiode 6.58 2.96 0.65 to 12.51
37   18.34 4.94 8.46 to 28.21