Assessment of the Local Exposure Level during Adult Chest X-Rays at the Ngaoundere Regional Hospital, Cameroon

Table 3

Technical parameters used to conduct this exam.

Radiography	Incidence	kV	mAs	FFD	FSD	ESD		3^rd quartile	SD
						Min-max	Max/min
Chest	PA	120–125 (122.8 ± 1.72)	2.5–4 (3.17 ± 0.46)	140–180 (180 ± 0.09)	160–200 (128 ± 0.20)	0.08–0.09	1.04	0.18	0.21

kV: kilovolt. mAs: milliampere second. FFD: focus-film-distance. FSD: focus-skin-distance. ESD: entrance skin dose. SD: standard deviation.