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Table 1 Demographic characteristics of shigellosis cases by species of infection and disease severity among adults ≥18 years old— FoodNet, 2002–2014

From: Disparities in severe shigellosis among adults — Foodborne diseases active surveillance network, 2002–2014

  All Shigella sonnei Shigella flexneri Shigella boydii Shigella dysenteriae
(N = 9968) (N = 7063) (N = 2748) (N = 111) (N = 46)
Non-severe Severe Non-severe Severe Non-severe Severe Non-severe Severe Non-severe Severe
n (%) n (%) n (%) n (%) n (%) n (%) n (%) n (%) n (%) n (%)
All 7204 (72) 2764 (28) 5271 (76) 1792 (25) 1808 (66) 940 (34) 88 (79) 23 (21) 37 (80) 9 (20)
Sex
 Male 3706 (70) 1576 (30) 2219 (75) 750 (25) 1434 (64) 810 (36) 41 (75) 14 (25) 12 (86) 2 (14)
 Female 3498 (75) 1188 (25) 3052 (75) 1042 (25) 374 (74) 130 (26) 47 (84) 9 (16) 25 (78) 7 (22)
Age (years)
 18–49 5680 (74) 1978 (26) 4140 (77) 1237 (23) 1456 (67) 727 (33) 59 (86) 10 (14) 25 (86) 4 (14)
 ≥ 50 1524 (66) 786 (34) 1131 (67) 555 (33) 352 (62) 213 (38) 29 (69) 13 (31) 12 (71) 5 (29)
Race
 Black 1852 (65) 1004 (35) 1212 (69) 535 (31) 614 (57) 460 (43) 18 (75) 6 (25) 8 (73) 3 (27)
 White 4893 (75) 1610 (25) 3756 (76) 1172 (24) 1051 (71) 421 (29) 61 (82) 13 (18) 25 (86) 4 (14)
 Other 459 (75) 150 (25) 303 (78) 85 (22) 143 (71) 59 (29) 9 (69) 4 (31) 4 (67) 2 (33)