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Table 4 Baseline characteristics of clinically diagnosed versus bacteriologically confirmed TB patients (N = 157)

From: Why being an expert – despite xpert –remains crucial for children in high TB burden settings

 

Clinically diagnosed TB (possible + probable TB) (n = 136)

Bacteriologically confirmed TBa (n = 21)

p-value

Median age in years at time of TB referral (IQR)

4.6 (1.5 – 9.1)

9.4 (4.5–12.1)

0.017

Male gender (%)

68 (50.0)

14 (66.7)

0.155

HIV positive (%)

73 (53.7)

11 (52.4)

0.912

Disposition at time of referral of “Inpatient” (%)

69 (50.7)

7 (33.3)

0.137

Past TB treatment (%)

5 (3.7)

2 (9.5)

0.237

Severe Malnutrition (%)b

42 (30.9)

8 (38.1)

0.509

Reported TB contact (%)

28 (20.6)

5 (23.8)

0.736

Diagnostic Tests Performed

 Sputum analysis (%)

94 (69.1)

21 (100.0)

0.001

 Chest x-ray (%)

91 (66.9)

16 (76.2)

0.460

 Tuberculin skin test (%)

123 (90.1)

20 (95.2)

0.695

 Fine needle aspirate (%)

13 (100.0)

0 (0.0)

0.218

  1. aBacteriologically confirmed TB is a TB case from whom a biological specimen is positive by smear microscopy, culture or Xpert MTB/RIF. bSevere acute malnutrition is defined as weight-for-height Z score <3 SD and/or presence of edema [29]