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Overview :
The erythrocyte sedimentation rate is affected by room
temperature. Manley developed a nomogram to correct for variation in room
temperature. The author is from St. Stephen's Hospital in London.
Room temperature range: 15 to 35 degrees Celsius (60 to 95
degrees Fahrenheit)
Parameters:
(1) room temperature in °C
(2) ESR reading in mm in first hour
corrected ESR in mm in first hour =
= (A2 * ((observed reading)^2) + (A1 * (observed reading)) +
A0
A2 =
= (0.000148 * (temperature in °C)) - 0.00271
A1 =
= (-0.0351 * (temperature in °C)) + 1.637
A0 =
= (0.005663 * ((temperature)^2)) - (0.2918 * (temperature)) +
3.666
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