Skip to main content

Table 1 Clinical and laboratory prediction rules for management of acute febrile illnesses in childrena

From: Performance of prediction rules and guidelines in detecting serious bacterial infections among Tanzanian febrile children

Name of Prediction Rule

Age Group

Predictors

Derivation study

All serious infections

 Yale Observation Scale

0-24 m

Quality of Cry

Reaction to parents’ stimulation

State Variation

Color

Hydration

Response to social overtures

McCarthy et al. [39]

Strong OR not crying(1)

Cries briefly (1)

Stays awake (1)

Pink (1)

Skin normal (1)

Smiles OR Alert (1)

 

Whimpering (3)

Cries on/off (3)

Awakes with stimulation (3)

Pale extremities (3)

Dry mouth (3)

Brief smile OR alerts briefly (3)

Weak (5)

Continual cry (5)

Falls to sleep (5)

Pale OR cyanotic (5)

Skin doughy (5)

No smile OR face anxious (5)

Sum of all six feature values (cut-offs used in literature: 8, 9 or 10)

 Five Stage Decision Tree

0–16 y

Clinician instinct that something is wrong

Dyspnea

Temperature > 39.95 °C

Diarrhea

Age 15-25 m

Van den Bruel et al. [17]

No

0

No or unknown

0

No

0

No or unknown

0

No or unknown

0

 

Yes or unknown

1

Yes

1

Yes

1

Yes

1

Yes

1

If yes to any of these five features

 Bleeker

0-36 m

Duration fever

Days (points)

H/o vomiting

Ill appearance

Chest wall retractions+ tachypnea

Poor peripheral circulation

WBC

CRP (mg/l)

Urine WBC

Bleeker et al. [18]

0.5 (0), 1(2), 1.5 (4),2–2.5(5), 3–3.5(6), 4–4.5(7), 5–6(8), 6.5–8.5(9), ≥ 9(10)

Y = 5

Y = 4

Y = 12

Y = 7

< 10(0), 10–19(2), 20–29(4), 30–39(6), ≥ 40(8)

Divide value by 10 and round to lower integer, max. = 16 points

≥ 70 WBC/μl =9

 

Total points, described cutoffs: clinical: 10, lab: 8

 Thayyil

1-36 m

PCT (ng/ml)

CRP (mg/l)

WBC

Thayyil [19]

> 2

> 50

> 15

 

Cutoff: All positive

 Lab Score

7d-36 m

PCT (ng/ml)

CRP (mg/l)

Urine Dipstick

Galetto-Lacour [20]

< 0.5 (0), ≥0.5 (2), ≥2 (4)

< 40 (0), 40–99 (2), ≥100 (4)

Positive leucocyte or nitrite

 

Cutoff: 3

 AUS fever model

0–5 y

General appearance, cough, temperature, breathing difficulty, abnormal chest sounds, chronic disease, capillary refill time, urinary symptoms, respiratory rate, chest crackles, pneumococcal vaccine, heart rate, felt hot, meningococcal vaccine, infectious contacts, crying, fluid intake, respiratory symptoms, diarrhea, bulging fontanel, male, focal bacterial infection, abnormal ear, nose, and throat signs, age rash, stridor, wheeze

Craig et al. [21]

Model risk estimate

 

 SBI risk score

1 m-15y

Developmental delay

Infection risk factor

State variation

T (°C)

CRT

Hydration

Tachypneab

Hypoxia

Brent et al. [22]

No (0)

Yes (4)

No (0),

Yes (2)

Eyes open (0)

Eyes close briefly (1)

Falls asleep (2)

< 37.5 (0),

37.5–38.3 (1)

≥38.4 (2)

< 2 (0)

≥2 (2)

Well hydrated (0)

Dry mucous membranes (2)

Reduced skin turgor (4)

No (0)

Yes (1)

No (0)

Mild (1)

Severe (2)

 

 Rotterdam Fever model

1 m-16y

Age < 1, Sex, Duration of Fever, Height of Fever, Tachypnea, Tachycardia, SaO2 < 94%, CRT > 3 s, Chest Wall retraction, Ill-appearance, CRP

Nijman et al. [23]

Model risk estimate

 

Pneumonia

 Pneumonia Rule n°1

0–16 y

Parental concern illness is different

Shortness of breath

Van den Bruel et al. [17]

 Values

 

If yes to any of these two features

 

 Pneumonia Rule n°2

0-21y

SaO2

Triage T

Wheeze

Decreased breath sounds

Focal rales

Chest pain

History of fever

Neuman et al. [24]

 Values

 

Classification of Regression Tree/ clinical model

 

 Pneumonia Rule n°3

1-16y

Grunting

Cough

Rales

Decreased breath sound

Vomiting

Bilkis et al. [25]

Model risk estimate

 
  1. bpm Beats per minute, CRT Capillary refill time, CRP C-reactive protein, h/o History of, m Months, SaO2 Oxygen saturation, PCT Procalcitonin, RR Respiratory rate, T Body temperature, Y Yes, y Years, WBC White blood cell count
  2. aModified and appended from Verbakel et al. [33]
  3. bAdvanced pediatric life support cutoff