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Table 3 Clinical and general knowledge of TB according to health professionals

From: Difficulties in tuberculosis infection control in a general hospital of Vietnam: a knowledge, attitude, and practice survey and screening for latent tuberculosis infection among health professionals

 PhysicianNurseOthersP value
n = 140n = 256n = 44 
Knowledge score, mean (SD)8.46 (0.96)7.70 (1.16)7.64 (1.03)<0.001
Clinical knowledge about TB-no. (%) of answered
 TB is a treatable disease. (n = 435)139 (99.3)240 (95.2)40 (93.0)0.052
 All people with the TB infection develop the TB disease.128 (93.4)188 (76.7)33 (76.7)<0.001
Symptom that can identify TB (n = 427)
 Rate of correct answer-mean (SD), %92.4 (10.2)87.9 (10.3)81.5 (16.2)<0.001
Risk disease for TB (n = 432)
 Rate of correct answer-mean (SD), %89.7 (14.5)72.4 (20.7)69.1 (20.9)<0.001
Consequences of incomplete or abandoned treatment (n = 447)
 Development of drug resistant135 (96.4)205 (81.3)33 (75.0)<0.001
 Spreading infection to other people102 (72.9)153 (60.7)23 (52.3)0.014
 Development of extra-pulmonary or systemic TB89 (63.6)132 (52.4)20 (45.5)0.040
TB Transmission -answered ‘Yes’-n (%)
 Patients with active TB disease can infect people by coughing. (n = 435)134 (95.7)244 (97.2)42 (95.5)0.671
 TB is often spread from person to person through the air. (n = 431)124 (89.2)229 (92.0)40 (93.0)0.631
 TB is often spread from person to person through sexual contact. (n = 422)128 (92.8)224 (92.9)36 (83.7)0.122
 Patients with active TB disease can infect people by spitting. (n = 429)134 (97.8)241 (97.2)44 (100.0)0.804
 HIV-positive patients are more vulnerable to catching TB than HIV-negative. (n = 434)132 (94.3)230 (92.0)42 (95.5)0.663
 TB is often spread from person to person by blood. (n = 428)124 (89.9)230 (93.1)35 (81.4)0.041
 Patients with active TB disease are more likely to infect others if they have a cough that produces a lot of sputum. (n = 433)132 (94.3)231 (92.8)42 (65.5)0.745
 TB can be transmitted through handshakes. (n = 431)136 (97.1)235 (94.8)41 (95.3)0.500
 TB can be transmitted through mixing patient’s clothes in the washing-machine. (n = 431)135 (96.4)233 (94.0)40 (93.0)0.557
Global condition of TB in Vietnam
What is the global condition of TB-burden of Vietnam   <0.001
 High-burden country121 (87.7)153 (63.5)25 (56.8) 
 Middle-burden country16 (11.7)79 (33.6)14 (35.0) 
 Low-burden country0 (0.0)3 (1.3)1 (2.5) 
Respirators relating to TB
 N95 protect healthcare workers and visitors by stopping TB particles from being breathed in - ‘Yes’-n (%). (n = 422)123 (91.1)215 (88.5)37 (84.1)0.658
 This is an N95 mask - ‘No’-n (%) (n = 410) < picture of gauze mask>119 (90.8)213 (93.4)29 (76.3)0.004
  1. SD Standard deviation, TB Tuberculosis, HIV Human immunodeficiency virus