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Table 2 Temperature and Pain.

From: Effect of tadalafil on blood flow, pain, and function in chronic cold Complex Regional Pain Syndrome: a randomized controlled trial

 

tadalafil

placebo

  
 

start

end

start

end

Pt

Pgt

Temperature difference (in °C)

1.71 ± 0.77

1.09 ± 1.6

1.65 ± 2.6

1.77 ± 1.9

0.54

0.37

Pain intensity VAS (0–100 mm)

61.3 ± 14.1

52.3 ± 19.1

57.0 ± 12.1

56.5 ± 10.8

0.03*

0.04*

  1. The difference in temperature (°C) between the two feet, measured with videothermography. The Visual Analogue Scale (VAS) was used to measure pain intensity three times daily during the week preceding the hospital visits. The start and end times were when treatment started at t = 0 and ended at t = 12 weeks.
  2. Pt = P-value for differences over time; Pgt = P-value for interaction Group*Time