Table 3

Comparison of some characteristics of confirmed and culture negative PTB cases admitted with severe pneumonia (N=51)
Variable Confirmed PTB Culture negative PTB OR (95% CI) p –value
n=17 (%) n=34 (%)
History of cough
>2 weeks (63%) 12 (71) 20 (59) 1.6 (0.4 - 5.8) 0.41
<2 weeks (37%) 5 (29) 14 (41)
History of weight loss
Present (59%) 11 (65) 19 (56) 1.4 (0.4 - 4.8) 0.5
Absent (41%) 6 (35) 15 (44)
History of wheezing
Yes (12%) 3 (18) 3 (9) 2.2 (0.3 - 12.3) 0.3
No (88%) 14 (82) 31 (91)
Peripheral lymphadenopathy
Present (31%) 5 (29) 11 (32) 0.8 (0.2 - 3.0) 0.8
Absent (69%) 12 (71 ) 23 (68)
Malnutrition (WHZ)
Moderate/severe (35%) 7 (41) 11 (32) 1.4 (0.4 - 4.8) 0.5
None/mild (65%) 10(59) 23 (68)
Anaemia*
Mod/severe (82%) 14 (82) 28 (82) 1 (0.2 - 4.6) >0.999
None/mild (18%) 3 (18) 6 (18)
HIV serology
Positive (28%) 3 (18) 11 (32) 0.4 (0.1 - 1.8) 0.2
Negative (72%) 14 (82) 23 (68)
TB contact
Yes (37%) 6 (35) 13 (38) 0.8 (0.2 - 2.9) 0.8
No (63%) 11 (65) 21 (62)
Reduced activity
Yes (67%) 13(76.5) 21(62) 2.0 (0.5 – 7.5) 0.2
No (33%) 4(23.5) 13(38)
CXR
Abnormal (41%) 7 (41) 14 (41) 1 (0.3 – 3.2) >0.999
Normal (59%) 10 (59) 20 (14)
BCG immunisation
Yes (84%) 14 (82) 29 (85) 0.8 (0.1 - 3.8) 0.7
No (16%) 3 (18) 5 (15)
Age group
Under 1 year (25.5%) 6 (35) 7 (21) 0.4
1 – 5 years (47%) 6 (35) 18 (53)
Above 5 years (27.5%) 5 (29) 9 (26)

Nantongo et al.

Nantongo et al. BMC Pediatrics 2013 13:16   doi:10.1186/1471-2431-13-16

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