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. 2018 Mar 28;13(3):e0194325. doi: 10.1371/journal.pone.0194325

Table 4. Proposed Shigella CHIM disease severity score.

Parameter Outcome Score
Objective signs Gross blood in ≥2 loose stools (hemoccult confirmed) 1
Maximum temperature (°F); >101.1 1
Vomiting 1
Subjective symptoms More than one of the following as severe: arthralgia, nausea, myalgia, headache, anorexia, abd cramps/pain 3
Any one of the following as severe: arthralgia, nausea, myalgia, headache, anorexia, abd cramps/pain 2
More than one of the following as moderate: arthralgia, nausea, myalgia, headache, anorexia, abd cramps/pain 1
Loose stool output
(max 24 hr freq)
0–1 0
2–3 1
4–8 2
≥9 3