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Table 1 Responses to the survey questions in the three groups

From: Perspectives of Quantiferon TB Gold test among Indian practitioners: a survey

  Question Answer Ophthalmology N(%) Pulmonology N(%) Rheumatology N(%) Total N(%) Pearson chi-square test
1 Do you see active TB routinely in your practice Frequently 5 (26.3) 9 (100) 1 (11.1) 15 (40.5) 0.001
Rarely 14 (73.7) 0 8 (88.9) 22 (59.5)
2 Do you see latent TB routinely in your practice Frequently 18 (94.7) 5 (55.6) 7 (77.8) 30 (81.1)  
Rarely 1 (5.3) 4 (44.4) 2 (22.2) 7 (18.9)
3 Does your center do the Quantiferon TB Gold test in your own laboratory No 14 (73.7) 9 (100) 7 (77.8) 30 (81.1)  
Yes 5 (26.3) 0 (0) 2 (22.2) 7 (18.9)
4 If your center does not do this test, is the test readily accessible to you No 0 (0) 0 (0) 2 (22.2) 2 (5.4)  
Yes 19 (100) 9 (100) 7 (77.8) 35 (94.6)
5 Do you send the blood sample for this test to a laboratory outside your city No 13 (68.4) 7 (77.8) 6 (66.7) 26 (70.3)  
Not sure 1 (5.3) 0 (0) 1 (11.1) 2 (5.4)
Yes 5 (26.3) 2 (22.2) 2 (22.2) 9 (24.3)
6 What is the approximate cost of the test to your patient Above Rs. 2,000/− 12 (63.2) 6 (66.7) 6 (66.7) 24 (64.9)  
Below Rs. 1,000/− 0 (0) 1 (11.1) 0 (0) 1 (2.7)
Between Rs. 1,000/− and Rs. 2,000/− 7 (36.8) 2 (22.2) 3 (33.3) 12 (32.4)
7 Do you do a Mantoux test routinely on all patients with suspected TB Always 19 (100) 1 (11.1) 3 (33.3) 23 (62.2) 0.001
Sometimes 0 (0) 8 (88.9) 6 (66.7) 14 (37.8)
Never 0 (0) 0 (0) 0 (0) 0 (0)
8 Do you consider Mantoux test a criterion for starting a patient on ATT in suspected TB Always 7 (36.8) 0 (0) 1 (11.1) 8 (21.6)  
Never 2 (10.5) 2 (22.2) 3 (33.3) 7 (18.9)
Sometimes 10 (52.6) 7 (77.8) 5 (55.6) 22 (59.5)
9 Do you use Quantiferon TB Gold test in your practice Never 1 (5.3) 2 (22.2) 0 (0) 3 (8.1)  
Routinely 8 (42.1) 0 (0) 4 (44.4) 12 (32.4)
Sometimes 10 (52.6) 7 (77.8) 5 (55.6) 22 (59.5)
10 How often do you get indeterminate as a result in the Quantiferon TB Gold test Always 1 (5.3) 0 (0) 0 (0) 1 (2.7)  
Never 5 (26.3) 3 (33.3) 0 (0) 8 (21.6)
Sometimes 13 (68.4) 6 (66.7) 9 (100) 28 (75.7)
11 In what categories do you see indeterminate result in the Quantiferon TB Gold test (can tick >1 option) Age < 18 years 1 (5.3) 1 (11.1) 0 (0) 2 (5.4)  
Age > 60 years 0 (0) 0 (0) 1 (11.1) 1 (2.7)
Between ages 18 to 60 years 3 (15.8) 0 (0) 0 (0) 3 (8.1)
Not sure 15 (78.9) 8 (88.9) 8 (88.9) 31 (83.8)
11 Do you perform Mantoux test routinely in all patients prior to starting immunosuppressants (not biologics) Always 17 (89.5) 2 (22.2) 0 (0) 19 (51.4)  
Never 2 (10.5) 3 (33.3) 5 (55.6) 10 (27)
Sometimes 0 (0) 4 (44.4) 4 (44.4) 8 (21.6)
12 Do you perform Quantiferon TB Gold test routinely in all patients prior to starting immunosuppressants (not biologics) Always 3 (15.8) 0 (0) 0 (0) 3 (8.1)  
Never 6 (31.6) 6 (66.7) 5 (55.6) 17 (45.9)
Sometimes 10 (52.6) 3 (33.3) 4 (44.4) 17 (45.9)
13 Your preferred investigation in suspected TB in your subset of patients Both 15 (78.9) 2 (22.2) 2 (22.2) 19 (51.4)  
Mantoux test 3 (15.8) 3 (33.3) 3 (33.3) 9 (24.3)
None 1 (5.3) 3 (33.3) 2 (22.2) 6 (16.2)
Quantiferon TB Gold test 0 (0) 1 (11.1) 2 (22.2) 3 (8.1)
14 Do you treat a patient with suspected TB on the basis of a positive Quantiferon TB Gold test alone Frequently 3 (15.8) 1 (11.1) 2 (22.2) 6 (16.2)  
Rarely 7 (36.8) 7 (77.8) 2 (22.2) 16 (43.2)
Sometimes 9 (47.4) 1 (11.1) 5 (55.6) 15 (40.5)
15 Do you treat a patient with suspected TB on the basis of a positive Mantoux test alone Frequently 7 (36.8) 0 (0) 1 (11.1) 8 (21.6)  
Rarely 5 (26.3) 8 (88.9) 4 (44.4) 17 (45.9)
Sometimes 7 (36.8) 1 (11.1) 4 (44.4) 12 (32.4)
16 In your experience, how do you rate the results of Quantiferon TB Gold test for suspected TB in India with the results projected by the developed world Comparable 10 (52.6) 2 (22.2) 2 (22.2) 14 (37.8) 0.163
Non-comparable 9 (47.4) 7 (77.8) 7 (77.8) 23 (62.2)
17 In your opinion, the limitation with Quantiferon TB Gold test is