Research Article
Virulence Factors Associated with Pediatric Shigellosis in Brazilian Amazon
Table 2
Comparison of diarrhea symptoms among etiologic agents.
| Symptoms
| Bacteria monoinfection | Parasite and bacterial Coinfection | RV and bacterial coinfection | RV monoinfection | Unknown etiology | | No bacteria as etiologic agent | E. coli | Salmonella | Shigella | Yersínia | | | | | | | | | | | |
| Fever | | | | | | | | | | | | | Pos. | 646 (74.5) | 31 (68.9) | 127 (75.6) | 34 (87.2) | 148 (74.4) | 0.185 | 189 (76.8) | 615 (73.5) | 144 (75) | 25 (83.3) | 28 (82.4) | 0.588 | Neg. | 218 (25.1) | 14 (31.1) | 40 (23.8) | 4 (10.3) | 51 (25.6) | 56 (22.8) | 220 (26.3) | 46 (24) | 5 (16.7) | 6 (17.6) | NI# | 3 (0.3) | 0 (0) | 1 (0.6) | 1 (2.6) | 0 (0) | 1 (0.4) | 2 (0.2) | 2 (1) | 0 (0) | 0 (0) | Vomiting | | | | | | | | | | | | | Pos. | 633 (73) | 31 (68.9) | 143 (85.1) | 33 (84.6) | 148 (74.4) | 0.006 | 186 (75.6) | 640 (76.5) | 136 (70.8) | 16 (53.3) | 26 (76.5) | 0.036 | Neg. | 231 (26.6) | 14 (31.1) | 24 (14.3) | 5 (12.8) | 51 (25.6) | 59 (24) | 195 (23.3) | 55 (28.6) | 13 (43.3) | 8 (23.5) | NI | 3 (0.3) | 0 (0) | 1 (0.6) | 1 (2.6) | 0 (0) | 1 (0.4) | 2 (0.2) | 1 (0.5) | 1 (3.3) | 0 (0) | Dehydration | | | | | | | | | | | | | Pos. | 590 (68.1) | 26 (57.8) | 104 (61.9) | 28 (71.8) | 137 (68.8) | 0.07 | 167 (67.9) | 559 (66.8) | 130 (67.7) | 20 (66.7) | 21 (61.8) | 0.832 | Neg. | 239 (27.6) | 19 (42.2) | 54 (32.1) | 9 (23.1) | 60 (30.2) | 72 (29.3) | 238 (28.4) | 55 (28.6) | 10 (33.3) | 12 (35.3) | NI | 38 (4.4) | 0 (0) | 10 (6) | 2 (5.1) | 2 (1) | 7 (2.8) | 40 (4.8) | 7 (3.6) | 0 (0) | 1 (2.9) | Blood in stool | | | | | | | | | | | | | Pos. | 134 (15.5) | 3 (6.7) | 20 (11.9) | 3 (7.7) | 38 (19.1) | 0.312 | 46 (18.7) | 118 (14.1) | 24 (12.5) | 10 (33.3) | 5 (14.7) | 0.074 | Neg. | 718 (82.8) | 41 (91.1) | 145 (86.3) | 36 (92.3) | 159 (79.9) | 198 (80.5) | 704 (84.1) | 165 (85.9) | 19 (63.3) | 29 (85.3) | NI | 15 (1.7) | 1 (2.2) | 3 (1.8) | 0 (0) | 2 (1) | 2 (0.8) | 15 (1.8) | 3 (1.6) | 1 (3.3) | 0 (0) | Fecal occult blood | | | | | | | | | | | | | Pos. | 227 (26.2) | 13 (28.9) | 25 (14.9) | 5 (12.8) | 53 (26.6) | 0.009 | 61 (24.8) | 208 (24.9) | 34 (17.7) | 18 (60) | 8 (23.5) | <0.001 | Neg. | 640 (73.8) | 32 (71.1) | 143 (85.1) | 34 (87.2) | 146 (73.4) | 185 (75.2) | 629 (75.1) | 158 (82.3) | 12 (40) | 26 (76.5) |
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Frequencies were calculated by the Chi-square test.
#NI: not informed.
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