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. 2020 Aug 25;15(8):e0237603. doi: 10.1371/journal.pone.0237603

Table 3. Subject demographics and baseline pathogens in poly- and monobacterial conjunctivitis infections.

All culture-confirmed subjects (N = 1,041)
Polybacterial Infections (n = 177) Monobacterial Infections (n = 864) P-value
Age, years
 mean (SD) 32.9 (28.9) 29.7 (25.3) 0.330a
 Min, max 1, 98 0, 100
Gender, female n (%) 100 (56.5) 488 (56.5) 0.862b
Viral coinfection, n (%)c 14 (7.9) 14 (1.6) <0.001b
Dominant infecting species, n (%)
H. influenzae 45 (25.4) 288 (33.3) 0.042d
S. aureus 26 (14.7) 110 (12.7) 0.465d
S. pneumoniae 22 (12.4) 272 (31.5) <0.001d
encapsulated 6 (3.4) 13 (1.5)
S. mitis/S. mitis group 14 (7.9) 21 (2.4) <0.001d
S. epidermidis 6 (3.4) 54 (6.2) 0.158d
S. maltophilia 6 (3.4) 2 (0.2) <0.001d
S. oralis 5 (2.8) 3 (0.3) 0.005d

aANOVA with fixed effects of infection type and clinical study

bCMH tests stratified by clinical study.

cTwelve subjects in each group were infected with adenovirus and two with herpes simplex virus.

dFisher’s exact tests.

Only those species identified as dominant ≥ 5 times among polybacterial infections are shown.