Clinical prognostic scores for dengue fever: A systematic review

Table 3 Baseline patient characteristics, n (%)/mean ± SD

Ref.	Paediatrics only	n	Age	Gender (male)	Ethnicity	Social demographics	Onset	Presentation
Chi et al[38], 2023	No	701	54.1 ± 19.2	363 (51.8)	Nil	Nil	Nil	Fever, nausea, vomit, bleeding, fatigue, hyporexia, abdominal pain (data not available)
Yang et al[37], 2023	No	1090	< 18 years: 318 (29.2). 18-39 years: 553 (50.7). ≥ 40 years: 219 (20.1)	652 (59.8)	Nil	Uneducated: 28 (26.1). Primary education: 339 (31.1). Secondary education: 306 (28.1). Tertiary education: 112 (10.3). Missing education data: 49 (4.5). Low income (< 15000 BDT per month): 34 (31.4). Low-mid income (15000-25000 BDT per month): 404 (37.1). High-mid income (25000-50000 BDT per month): 206 (18.9). High income (≥ 50000 BDT per month): 71 (6.5). Missing income data: 67 (6.1). Slum: 384 (35.2). Flat: 540 (49.5). House: 125 (11.5). Missing residence data: 41 (3.8)	Nil	Fever, myalgia, vomit, headache, abdominal pain
Gayathri et al[10], 2023	Yes	312	6.4 ± 3.44	196 (62.8)	Nil	Nil	Nil	Fever, bleeding, vomit, fatigue, abdominal pain
McBride et al[11], 2022	No	124	24.5, IQR: 20-32	63 (50.8)	Nil	Nil	Median 5 days (range 3-7)	Nil
Bhaskar et al[12], 2022	Yes	303	≤ 6 years: 60 (19.8). > 6 years: 243 (80.2)	161 (53.1)	Nil	Nil	Nil	Headache, myalgia, abdominal pain, rash, vomit, dyspnoea
Srisuphanunt et al[23], 2022	No	302	24.9 ± 17.3	154 (50.1)	Nil	Nil	Nil	Nil
Sachdev et al[13], 2021	Yes	78	10, IQR: 6.2-12	49 (62.8)	Nil	Nil	4.44 ± 2.15	Nil
Marois et al[24], 2021	No	383	32, IQR: 34	174 (45.4)	Melanesian: 141 (36.7). European: 86 (22.5). Polynesian: 68 (17.8). Others: 63 (17.4)	Tobacco: 105 (27.4). Cannabis: 19 (4.9). Kava: 15 (3.9). Alcohol (> 3 units/day): 9 (2.3)	Median 4 days, IQR: 3	Fever, arthralgia, myalgia, eye pain, headache, diarrhoea, nausea, vomit, rash, third spacing, fatigue, hepatomegaly, abdominal pain
Devarbhavi et al[25], 2020	No	36	32.31 ± 17.04	20 (55.6)	Nil	Nil	Range 3 to 7 days	Nil
Tangnararatchakit et al[26], 2020	Yes	242	10.6 ± 3.9	137 (56.6)	Nil	Nil	Nil	Nil
Lee et al[27], 2018	No	1068	52, IQR: 18-91	513 (47.2)	Nil	Nil	Median 3 days (range 1-10)	Fever, myalgia, arthralgia, eye pain, rash, headache, cough, diarrhoea, vomit, fatigue, abdominal pain
Phakhounthong et al[28], 2018	Yes	198	1 month-< 1 year: 56 (28.2). 1 year < 5 year: 59 (29.8). ≥ 5 years: 83 (41.9)	107 (54.0)	Nil	Nil	< 2 days	Fever, vomit, bleeding, dyspnoea, hepatomegaly, headache, rash, altered mental state
Park et al[14], 2018	Yes	744	Validation set not reported)	Nil	Nil	Nil	< 3 days	Fever
Md-Sani et al[29], 2018	No	199	30.8, IQR: 24.7-41.3	127 (63.8)	Nil	Nil	Nil	Fever, vomit, bleeding, fatigue, hepatomegaly, third spacing
Suwarto et al[30], 2018	No	207	33, IQR: 23-46	91 (44)	Nil	Nil	Nil	Fever
Hsieh et al[15], 2017	No	625	72.3 ± 9.3	46 (61.3)	Nil	Nil	Nil	Nil
Huang et al[35], 2017	No	2358	47.8 ± 21.9	1197 (50.8)	Nil	Stay with family: 2296 (97.4). Stay alone: 53 (2.2). Long-term care: 9 (0.4). Tobacco: 47 (2). Alcoholism: 34 (1.4)	Nil	Fever, arthralgia, myalgia, eye pain, headache, nausea, vomit, bleeding, rash, hyporexia, diarrhoea, fatigue, cough, dizzy, altered mental state, dyspnoea, chest pain, abdominal pain
Fernández et al[31], 2017	No	320	22.4 (missing SD)	181 (56.6)	Nil	Nil	≥ 6 days	Fever, headache, eye pain, arthralgia, myalgia, rash, vomit, hyporexia
Nguyen et al[16], 2017	Yes	2060	Given as 2 cohorts in median IQR	Nil	Nil	Nil	< 3 days	Fever
Djossou et al[17], 2016	No	806	< 1 year: 23 (2.9). 1-15 year: 294 (36.5). 16-65 year: 480 (59.6). > 65 years: 15 (1.9)	408 (50.2)	Nil	Nil	Median 2 days	Myalgia, arthralgia, bleeding, rash, vomit, abdominal pain (data not available)
Lee et al[32], 2016	No	1253	Given as 2 cohorts in median IQR	595 (47.5)	Nil	Nil	Derivation cohort Median 4 days, range 1-15. Validation cohort. Median 4 days, range 1-13	Nil
Suwarto et al[18], 2016	No	172	22, IQR: 11-33	89 (51.7)	Nil	Nil	3 days	Fever
Lam et al[19], 2015	Yes	1207	10, IQR: 7-12	645 (53)	Nil	Nil	Median 5 days (IQR: 5-6)	Fever, bleeding, third spacing, abdominal pain
Pang et al[36], 2014	No	135	Given as 2 cohorts in median IQR	88 (65.2)	Chinese: 98 (72.6). Malay: 7 (5.2). Indian: 17 (12.6). Others: 13 (9.6)	Nil	Cases: 3 days (IQR: 3-5). Control: 5 days (IQR: 4-5)	Nil
Pongpan et al[33], 2014	Yes	400	10.3 ± 3.4	223 (55.8)	Nil	Nil	Nil	Vomit, cough, bleeding, hepatomegaly, headache, myalgia, rash, third spacing, abdominal pain
Pongpan et al[34], 2013	Yes	777	9.6 ± 3.3	376 (48.4)	Nil	Nil	Nil	Hepatomegaly, headache, myalgia, vomit, cough, rash, third spacing, bleeding, abdominal pain
Leo et al[20], 2013	No	499	Given as 2 cohorts in median IQR	396 (79.4)	Nil	Nil	ED cohort. Median 6 days (5%-95% 3-8). Outpatient cohort. Median 6 days (5%-95% 3-8)	Nil
Diaz-Quijano et al[21], 2010	No	729	25.8 ± 15.9	Nil	Nil	Nil	Median: 7 days; range: 4-10	Fever, headache, eye pain, myalgia, arthralgia, hyporexia, cough, rash, vomit, diarrhoea, bleeding, abdo pain
Potts et al[22], 2010	Yes	582	8.7 ± 0.5	Nil	Nil	Nil	Mean 2.15 days	Fever

IQR: Interquartile range.