Derivation
variable: muac (table[s]: arv_amf, arv_scf, ncd_combined, gp_gpform, css_sei, tb_tbh, tb_tboto2007, tb_tbs, tb_tbs5, tmt_tmt1, css_fis2, arkk_arkq)
variable: armcirc (table[s]: cpt_f3)
variable: armcircumf (table[s]: fhs_tktaik, fhs_tktcik)
variable: buarm (table[s]: crs_birth, crs_bfup)
variable: a_muacop1 (table[s]: gap_combined)
variable: muacf/muacs (table[s]: kduk_kduq, phdk_phdq)
MUAC from KDU and PHD were collected twice so average of the 2 readings is calculated. Most tables had muac already in cm, but GAP, CPT, FHS, TBH, TBO, TMT had to be converted from mm to cm