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Table 3 Univariable and Multivariable analysis for associations with mortality

From: Variation in and risk factors for paediatric inpatient all-cause mortality in a low income setting: data from an emerging clinical information network

  

Univariable analysis - pooled data

Model 2 - Mulitvariable model for associations with mortality for complete case analysis including interaction terms for malaria endemicity

Model 3 - Mulitvariable model for associations with mortality on imputed data including interaction terms for malaria endemicity

  

OR (95% CI)

P value

OR (95% CI)

OR (95% CI)

AUC

   

0·86

0·85

Pseudo R-squared

  

0·25

0·24

Age groupa

 

2 _6 months

ref

   

7 _11 months

0·72(0·64–0·82)

<0·001

  

12_59 months

0·40(0·36–0·45)

   

2_6 months in high malaria prevalence

  

ref

ref

7 _11 months in high malaria prevalence

  

0·46(0·36–0·60)

0·43(0·29–0·63)

12_59 months in high malaria prevalence

  

0·41(0·33–0·50)

0·37(0·27–0·50)

7 _11 months in Low malaria prevalence

  

0·34(0·15–0·75)

0·33(0·19–0·57)

12_59 months in Low malaria prevalence

  

0·29(0·14–0·62)

0·29(0·17–0·49)

Child sex

 

Female

ref

 

ref

ref

Male

0·79(0·72–0·86)

<0·001

0·71(0·64–0·80)

0·67(0·57–0·79)

WAZ scorea

 

0 or > = 1 SD

ref

   

Minus 1 SD

1·35(1·17–1·56)

<0·001

  

Minus 2 SD

2·26(1·95–2·61)

   

Minus 3 SD

4·35(3·86–4·92)

   

0 or > = 1 SD in high malaria prevalence

  

ref

ref

Minus 1 SD in high malaria prevalence

  

1·50(1·15–1·95)

1·19(0·85–1·67)

Minus 2 SD in high malaria prevalence

  

1·25(0·95–1·65)

1·50(1·03–2·17)

Minus 3 SD in high malaria prevalence

  

2·96(2·27–3·86)

3·01(2·09–4·35)

Minus 1 SD in Low malaria prevalence

  

0·93(0·45–1·93)

1·06(0·61–1·82)

Minus 2 SD in Low malaria prevalence

  

1·17 (0·56–2·44)

0·88(0·52–1·51)

Minus 3 SD in Low malaria prevalence

  

2·36(1·13–4·94)

2·09(1·22–3·56)

Number of comorbidities

 

0

ref

 

ref

ref

1

1·44(1·28–1·62)

<0·001

0·99(0·85–1·16)

1·08(0·86–1·37)

2

2·21(1·94–2·50)

 

1·03(0·86–1·23)

1·27(0·98–1·64)

> = 3

3·67(3·18–4·23)

 

1·25(1·02–1·55)

1·68(1·25–2·25)

History of fever

 

No

ref

 

ref

ref

Yes

0·96(0·84–1·10)

0·555

0·77(0·66–0·90)

0·76(0·62–0·92)

History of diarrhoea

 

No

ref

 

ref

ref

Yes

2·02(1·82–2·25)

<0·001

1·34(1·16–1·56)

1·45(1·20–1·76)

Convulsions

 

No

ref

 

ref

ref

Yes

1·13(1·00–1·28)

0·045

1·54(1·32–1·81)

1·35(1·09–1·67)

Vomitting everything

 

No

ref

 

ref

ref

Yes

1·41(1·25–1·58)

<0·001

1·04(0·91–1·20)

1·03(0·86–1·24)

Indrawing

 

No

ref

 

ref

ref

Yes

2·84(2·55–3·18)

<0·001

2·61(2·28–2·98)

2·48(2·08–2·96)

Pallor

 

None

ref

 

ref

ref

Some/severe

3·39(3·03–3·79)

<0·001

2·21(1·93–2·53)

2·32(1·92–2·81)

Central cyanosis

 

No

ref

 

ref

ref

Yes

6·36(4·54–8·90)

<0·001

2·64(1·70–4·12)

3·25(1·91–5·53)

AVPU

 

Alert

ref

 

ref

ref

Not alert (VPU)

8·95(7·88–10·17)

<0·001

3·98(3·31–4·77)

3·95(3·16–4·95)

Ability to drinka

 

No

ref

   

Yes

0·23(0·20–0·26)

<0·001

  

Ability to drink no in high malaria prevalence

  

ref

ref

Ability to drink yes in high malaria prevalence

  

0·63(0·49–0·80)

0·65(0·48–0·87)

Ability to drink yes in Low malaria prevalence

  

0·51(0·24–1·08)

0·44(0·25–0·78)

Stiff necka

 

No/soft

ref

   

Yes

2·71(2·13–3·44)

<0·001

  

Stiff neck no in high malaria prevalence

  

ref

ref

Stiff neck yes in high malaria prevalence

  

2·17(1·38–3·42)

3·92(2·15–7·16)

Stiff neck yes in low malaria prevalence

  

3·07(1·28–7·36)

1·53(0·81–2·90)

Skin pinch

 

Immediate

ref

 

ref

ref

1–2 s

2·25(1·96–2·59)

<0·001

1·29(1·09–1·52)

1·17(0·94–1·44)

> 2 s

6·18(5·28–7·24)

 

1·80(1·43–2·26)

1·47(1·09–1·98)

Capillary refill time

 

<=2 scs

ref

 

ref

ref

>3 s

3·28(2·80–3·84)

<0·001

1·46(1·15–1·86)

1·68(1·32–2·13)

Indeterminate

0·70(0·51–0·97)

 

1·17(0·79–1·73)

1·83(1·12–2·99)

Sunken eyes

 

No

ref

 

ref

ref

Yes

2·76(2·44–3·12)

<0·001

1·12(0·96–1·31)

1·24(1·00–1·55)

Jaundice

 

None

ref

 

ref

ref

Moderate/severe

2·03(1·55–2·66)

<0·001

1·78(1·30–2·42)

1·64(1·01–2·65)

Severe wastinga

 

No

ref

   

Yes

5·01(4·32–5·81)

<0·001

  

Severe wasting no in high malaria prevalence

  

ref

ref

Severe wasting yes in high malaria prevalence

  

2·35(1·68–3·27)

2·54(1·70–3·82)

Severe wasting yes in low malaria prevalence

  

1·99(0·97–4·09)

1·66(0·95–2·87)

Oedema of malnutritiona

 

None

ref

   

Moderate/severe

3·02(2·39–3·80)

<0·001

  

Oedema none in high malaria prevalence

  

ref

ref

Oedema mild/moderate in high malaria prevalence

  

2·66(1·82–3·89)

3·13(1·95–5·02)

Oedema mild/moderate in Low malaria prevalence

  

2·45(1·17–5·13)

1·88(1·08–3·25)

Malaria endemicity

 

High

ref

<0·001

ref

ref

Low

0·90(0·83–0·99)

 

0·71(0·46–1·08)

0·78(0·43–1·42)

Hospital

 

A

ref

 

ref

ref

B

1·23(1·01–1·61)

<0·001

1·26(0·91–1·73)

1·69(1·04–2·74)

C

1·83(1·53–2·20)

 

1·74(1·30–2·32)

1·90(1·26–2·85)

D

2·46(2·04–2·96)

 

1·53(1·16–2·01)

1·99(1·33–2·98)

E

0·53(0·39–0·72)

 

0·60(0·40–0·90)

0·53(0·28–1·00)

F

1·00(0·79–1·26)

 

0·91(0·66–1·26)

0·88(0·56–1·39)

G

0·48(0·34–0·67)

 

0·75(0·49–1·15)

0·81(0·43–1·50)

H

1·41(1·14–1·76)

 

0·83(0·62–1·11)

0·90(0·52–1·57)

I

1·43(1·20–1·72)

 

1·23(0·98–1·55)

1·15(0·82–1·60)

J

1·08(0·86–1·37)

 

0·68(0·50–0·92)

1·05(0·68–1·63)

K

1·52(1·25–1·84)

 

0·82(0·64–1·07)

0·95(0·68–1·32)

L

1·40(1·15–1·70)

 

na

na

  1. Model 2 results are based on complete case analysis while model 3 results are based on the imputed dataset; both models include interaction terms for malaria prevalence.
  2. aVariables with significant interactions with malaria endemicity