Table 2 Predictors of readmission

Site^a - Mbale

278 (41%)

1203 (37%)

1.00

1.00

0.25

 Blantyre

53 (8%)

402 (13%)

0.61 (0.45–0.82)

0.80 (0.57–1.12)

 Mulago

136 (20%)

776 (24%)

0.79 (0.65–0.97)

0.82 (0.65–1.03)

 Soroti

215 (32%)

831 (26%)

1.08 (0.90–1.29)

0.97 (0.79–1.19)

Age at primary admission (per year younger)^a

38.0 (17.0, 60.0)

34.0 (17.0, 62.0)

1.01 (0.98–1.03)

1.07 (1.03–1.10)

< 0.001

HIV positive^a

26 (4%)

81 (3%)

1.52 (1.02–2.28)

2.48 (1.63–3.78)

< 0.001

Sickle status - AA

458 (67%)

2243 (70%)

1.00

1.00

0.01

 AS

25 (4%)

99 (3%)

1.23 (0.82–1.84)

1.16 (0.75–1.81)

 SS, unknown at discharge

122 (18%)

486 (15%)

1.15 (0.94–1.39)

0.95 (0.76–1.20)

 SS, known at discharge

73 (11%)

353 (11%)

0.98 (0.77–1.25)

0.62 (0.46–0.82)

Two or more hospital admissions in the last year before primary admission^a

250 (37%)

651 (20%)

2.05 (1.76–2.40)

1.44 (1.19–1.74)

< 0.001

Received blood transfusion ever, prior to this illness^a

341 (50%)

939 (29%)

2.17 (1.87–2.52)

1.48 (1.13–1.93)

0.005

History of cough at primary admission^a

459 (67%)

1973 (61%)

1.27 (1.08–1.49)

1.13 (0.95–1.35)

0.16

Indrawing on admission^a

118 (17%)

378 (12%)

1.51 (1.24–1.84)

1.36 (1.09–1.71)

0.01

Splenomegaly on admission^a - Not palpable

363 (53%)

2132 (66%)

1.00

1.00

0.01

 Enlarged

248 (36%)

884 (28%)

1.57 (1.33–1.84)

1.26 (1.06–1.50)

 Gross

71 (10%)

190 (6%)

2.02 (1.57–2.61)

1.47 (1.10–1.97)

Diarrhoea on admission

68 (10%)

437 (14%)

0.72 (0.56–0.92)

0.71 (0.54–0.93)

0.01

Received oral antimalarials in last week before primary admission

359 (53%)

1529 (48%)

1.21 (1.04–1.41)

1.08 (0.92–1.27)

0.36

Malaria positive at primary admission, no previous blood transfusion

195 (29%)

1533 (48%)

0.65 (0.52–0.81)

0.60 (0.47–0.76)

< 0.001

Malaria positive at primary admission, previous blood transfusion

209 (31%)

539 (17%)

1.73 (1.40–2.14)

1.58 (1.22–2.04)

< 0.001

Randomised > 24 h after admission^a

37 (5%)

131 (4%)

1.28 (0.92–1.77)

1.36 (0.96–1.93)

0.08

Strata^a - TRACT A

452 (66%)

1884 (59%)

1.00

1.00

0.14

TRACT B, immediate transfusion

122 (18%)

655 (20%)

0.78 (0.64–0.95)

0.93 (0.74–1.17)

TRACT B, triggered transfusion

69 (10%)

312 (10%)

0.91 (0.71–1.17)

1.05 (0.79–1.40)

TRACT B, no transfusion

39 (6%)

361 (11%)

0.48 (0.35–0.67)

0.67 (0.47–0.96)

Blood pack age (per week older)^a

12.0 (7.0, 20.0)

12.0 (7.0, 17.0)

1.10 (1.03–1.18)

1.07 (0.99–1.15)

0.08

Length of stay (per day longer)^a

3.0 (2.0, 5.0)

3.0 (2.0, 4.0)

1.05 (1.03–1.07)

1.03 (1.00–1.06)

0.04

Missed dose of MVMM, iron folate or cotrimoxazole by 28 days

245 (36%)

925 (29%)

1.35 (1.15–1.58)

1.43 (1.21–1.69)

< 0.001