Assessment of the face validity of two pain scales in Kenya: a validation study using cognitive interviewing Full Text
BMC Palliative Care, 04/24/2012
Huang KTL et al. – The face validity and acceptability of the Swahili versions of the numerical rating scale (NRS) and faces pain scale–revised (FPS–R) has been demonstrated for use in Kenyan patients. The broader application of these scales should be evaluated and may benefit patients who currently suffer from pain.