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Table 1 ELISA results of the 38 F-64 F antigens in the serodiagnosis of active pulmonary TB

From: IgG, IgM and IgA antibodies against the novel polyprotein in active tuberculosis

Group

S+/C + (n = 143)

S-/C + (n = 106)

S-/C- (n = 122)

IgG

IgM

IgA

IgG

IgM

IgA

IgG

IgM

IgA

# Pos. (%)

94 (65.7)

31 (21.7)

36 (25.2)

49 (46.2)

26 (24.5)

19 (17.9)

64 (52.5)

23 (18.9)

29 (23.8)

# Pos. for one isotype of antibody

53

4

8

29

11

5

39

9

11

# Combin. Pos. (%)

108 (75.5)

68 (64.2)

85 (69.7)

  1. S+/C+: smear-positive and culture-positive active pulmonary TB patients; S-/C+: smear-negative and culture-positive active pulmonary TB patients; S-/C-: smear-negative and culture-negative active pulmonary TB patients; # Pos. (%): number of positive sera (percentage of positive sera); # Combin. Pos. (%): number of combination positive sera for any of three isotype antibodies (percentage of combination positive sera).