. 2020 Jan 15;15(1):e0226846. doi: 10.1371/journal.pone.0226846

Table 7. Anemia rates by natural regions and altitude.

Anemia rates by		WHO	p5
Natural regions	Coast	36.1%ᵃ	5.3%ᵈ
	Highlands	52.4%ᵇ	3.3%ᵉ
	Rain forest	53.8%ᶜ	13.5%ᶠ
Altitude	Low	40.5%^g	8.8%^h
	Moderate	37.1%ⁱ	8.2%^j
	High	49.6%^k	1.2%^l
	Very high	70.5%^m	5.9%ⁿ

Linear combination of estimates p value: ab, ac, de, df, ef, gk, gm, ik, im, km, hl, jl, ln = <0.0001; bc = 0.395; gi = 0.804; hj = 0.597; hn = 0.036; jn = 0.72.