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. 2015 Aug 21;15:361. doi: 10.1186/s12879-015-1084-8

Table 2.

Steps and time to diagnosis by patients’ clinical characteristics

Characteristics Total number of patients Steps to diagnosis (Median, IQR) P-value Days to diagnosis (Median, IQR) P-value
Overall 294 4 (3,7) 70 (28,140)
TB treatment category
 New 224 5 (3,8) 84 (42,168)
 Retreatment 70 3 (3,4) <0.0001a 46 (26,84) <0.0001a
HIV Status
 Positive 96 4 (3,6) 17 (6,60)
 Negative 184 4 (3,8) 42 (16,118)
 Unknown 14 5 (4,7) 0.081b 59 (20,90) 0.0004b

aWilcoxon Rank-sum test: p-value for comparison of two-sample medians

bKruskal-Wallis rank test p-value for comparison of two or more sample medians