Table 2 Clinical outcomes in 101 patients hospitalized at Boston Medical Center with evidence of Mycobacterium tuberculosis DNA in discarded respiratory samples

From: Unexpected detection of Mycobacterium tuberculosis DNA in US-born patients in putative association with clinical syndromes

Outcome

Overall

M. tuberculosis detected

M. tuberculosis not detected

OR or mean/median difference

Pa

N = 101

N = 16

N = 85

(95% CI)

Died during the index admission

10 (9.9)

1 (6.3)

9 (10.6)

0.57 (0.01, 4.65)

0.51

Age at death

 Median (range)

68 (53–88)

62 (62)

70 (53–88)

 Mean {SD}

68 {10}

62 {NA}

69 {11}

 Died during the study (as of April 2019)

27 (26.7)

6 (37.5)

21 (24.7)

1.82 (0.48, 6.34)

0.29

Age at death

 Median (range)

66 (48–89)

66 (51–80)

60 (48–89)

6 (−13.33, 10.95)

0.67

 Mean {SD}

66 {12}

66 {10}

66 {13}

Time to death (days)

 Median [IQR]

36 [14,201]

390 [5,694]

26 [14,102]

0.3

 Mean {SD}

266 {462}

521 {584}

190 {406}

 

 Range

0–1658

5–1546

0–1658

  

Principal diagnosis at the time of death

 Sepsis/septicemia/MOF

7 (25.9)

4 (66.6)

3 (14.3)

8.79 (1.32, 67.48)

0.02

 Tumor registry/unknown

6 (22.2)

1 (16.6)

5 (23.8)

1.07 (0.02, 10.57)

1

 GI perforation/obstruction

2 (7.4)

1 (16.6)

1 (4.8)

5.45 (0.07, 442.87)

0.4

 Pneumonia

6 (22.2)

0 (0)

6 (28.6)

NA

0.28

 Cardiovascular/stroke

3 (11.1)

0 (0)

3 (14.3)

NA

 COPD exacerbation

1 (3.7)

0 (0)

1 (4.8)

NA

 Anoxic brain injury

1 (3.7)

0 (0)

1 (4.8)

NA

 Trauma

1 (3.7)

0 (0)

1 (4.8)

NA

 Hospital readmissions

n = 64 (70.3)

n = 11 (73.3)

n = 53 (69.7)

1.19 (0.31, 5.67)

1·0

 Median (range)

2 (0–26)

4 (0–15)

2 (0–26)

 Mean {SD}

4.8 {5·4}

4.7 {4.8}

4.8 {5.6}

  1. Values are n (%), median [interquartile range, IQR], and mean {standard deviation, SD}, unless otherwise specified.
  2. NA Not applicable (unable to calculate), OR Odds Ratio, CI Confidence Interval.
  3. COPD chronic obstructive pulmonary disease, HIV human immunodeficiency virus, MOF multiorgan failure, GI gastrointestinal.
  4. aWilcoxon test (continuous data) or Fisher’s exact test (categorical data); all comparisons are two-sided.