15th February 2024

A group of researchers are looking to see if a higher percentage of steroid cream increases the medication’s efficacy in managing erythema nodosum.

A group of researchers are looking to see if a higher percentage of steroid cream increases the medication’s efficacy in managing erythema nodosum. One hundred patients with erythema nodosum are identified. 1% hydrocortisone cream is applied on the left side, while 2.5% hydrocortisone cream is applied on the right side. The resolution of the lesions was recorded on both sides of the body.

Which of the following statistical tests should be considered to identify any significant differences?