Epidemiological profile of microbial keratitis in Alexandria-Egypt a 5 years retrospective study

Journal of Ophthalmic Inflammation and Infection

Table 1 Comparison between MK groups according to age

	Viral (n = 118)	Bacterial (n = 77)	Fungal (n = 16)	Acanthamoeba (n = 22)	Mixed (n = 51)	Total (n = 284)	p
Age (years)
Mean ± SD	46.8^a ± 18.5	41^a ± 23	49^a ± 18.5	23.2^b ± 6.9	44.2^a ± 18	40.4 ± 17	< 0.001^*
Median (Min. – Max.)	49.5(4 – 88)	38(2.5 – 85)	50(10 – 74)	21 (14 – 37)	45(4 – 78)	45(2.5 –88)	< 0.001^*

p: p-value for comparing between the studied groups, SD Standard deviation
^*Statistically significant at p ≤ 0.05 Numbers with different letters are significant
Of the 284 patients, 163 cases (57.4%) were males and 121 cases (42.6%) were females. In the acanthamoeba group, all cases were female and this was statistically significant in comparison with the other groups (p < 0.001) (Fig. 7)