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
Photodiode
6.58
2.96
0.65 to 12.51
18.34
4.94
8.46 to 28.21