Table 2 Completeness of information on demographic and clinical characteristics of TB index cases and their contacts
Characteristics | Information available | |
|---|---|---|
N | % | |
Index cases – demographic characteristics (N = 192) | ||
Sex | 98 | 51.0% |
Age | 75 | 39.1% |
Nationality | 48 | 25.0% |
Index cases – lab and clinical characteristics (N = 192) | ||
Smear microscopy | 159 | 82.8% |
Chest X-ray | 109 | 56.8% |
Diagnosis | 119 | 62.0% |
Time between exposure and diagnosis | 133 | 69.3% |
Infectiousness during exposure | 115 | 59.9% |
Symptoms during exposure | 81 | 42.2% |
Index cases – air travel (N = 130) | ||
Smear microscopy | 112 | 86.2% |
Flight duration | 125 | 96.2% |
Time between flight and diagnosis | 107 | 82.3% |
Transmission to close contacts | 18 | 13.8% |
All RAGIDA criteria | 15 | 11.5% |
Index cases – other exposure (N = 62) | ||
Smear microscopy | 49 | 79.0% |
Culture | 25 | 40.3% |
Duration of exposure | 19 | 30.6% |
Time between exposure and diagnosis | 25 | 40.3% |
Duration of exposure and either microscopy results or culture results | 10 | 16.1% |
Availability of Information on identified contacts (N = 771) | ||
Any contact information | 742 | 96.2% |
Sufficient contact information for CT | 695 | 90.1% |