Late Syphilis

VDRL

TPHA

HIV (+)

HIV (-)

HIV (+)

HIV (-)

Baseline

Mean ± SD

1:63 ± 1:97

1:16 ± 1:31

1:2507 ± 1:2,165

1:2,795 ± 1:4,990

Median (range)

1:24

(1:2-1:256)

1:8

(1:2-1:128)

1:1,920

(1:320-5,120)

1:1,280

(1:80-1:20,480)

p-value

0.134

0.455

1 Month Follow-Up After Therapy

Mean ± SD

1:24 ± 1:31

1:10 ± 1:17

1:1056 ± 1:862

1:3,680 ± 1:6,685

Median (range)

1:4

(1:2-1:64)

1:4

(0-1:64)

1:960

(1:256-2,560)

1:1,280

(0-1:20,480)

p-value

0.257

0.707

Last Follow-Up After Therapy

Mean ± SD

1:105 ± 1:200

1:8 ± 1:11

1:9,440 ± 1:15,861

3,600 ± 1:6,719

Median (range)

1:24

(1:4-1:512)

1:2

(0-1:32)

1:1,920

(1:320-1:40,960)

1:960

(0-1:20,480)

p-value

0.017

0.193