From:  Prevalence of vitamin D deficiency among Northern Muslim women with chronic musculoskeletal pain residing in Port Harcourt, Rivers State, Nigeria: a cross-sectional study

 Self-reported musculoskeletal pain severity by vitamin D status.

Vitamin D statusMean VAS score ± SDp-value
Deficient (< 20 ng/mL)7.3 ± 1.4< 0.001
Insufficient (20–29 ng/mL)5.9 ± 1.3
Sufficient (≥ 30 ng/mL)4.8 ± 1.2

VAS: Visual Analogue Scale.