Fig. 4: Illustration of the ceiling effect when measuring pain intensity. | Humanities and Social Sciences Communications

Fig. 4: Illustration of the ceiling effect when measuring pain intensity.

From: The heavy tail of extreme pain exacerbates health inequality: evidence from cluster headache underinvestment

Fig. 4: Illustration of the ceiling effect when measuring pain intensity.

The blue histogram represents responses by patients (either all-things-considered or per attack), with a clustering of responses at the ceiling of 10/10. The orange curve represents the theoretical underlying distribution of pain intensity. The green curve is an attempt to reconstruct the theoretical curve using the measured data.

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