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Table 1 Clinical characteristics of infants evaluated for congenital syphilis

From: Outcomes of infants born to pregnant women with syphilis: a nationwide study in Korea

  2014
N = 77
2015
N = 56
2016
N = 45
2017
N = 32
2018
N = 40
Total
N = 250
Prevalence /10,000 births 3.86 2.78 2.42 1.96 2.78 2.80
Male, n (%) 39 (50) 32 (57) 23(51) 16 (49) 24 (61) 134 (54)
Preterm, n (%) 3 (4) 1 (2) 0 (0) 0 (0) 1 (3) 5 (1)
Jaundice, n (%) 48 (62) 31 (58) 23 (51) 14 (45) 24 (59) 140 (56)
Hepatosplenomegaly, n (%) 2 (3) 1 (2) 0 (0) 0 (0) 1 (3) 4 (1)
Ascites, n (%) 2 (3) 1 (2) 1 (2) 0 (0) 1 (3) 5 (2)
Renal disease, n (%) 7 (9) 5 (9) 5 (11) 2 (6) 2 (5) 21 (8)
Optic nerve atrophy, n (%) 0 (0) 0 (0) 1 (2) 0 (0) 0 (0) 1 (0)
Hearing impairment, n (%) 12 (16) 8 (14) 7 (16) 6 (19) 1 (3) 34 (14)
Mental retardation, n (%) 8 (10) 7 (13) 4 (9) 0 (0) 0 (0) 19 (8)
IUGR or SGA, n (%) 4 (5) 3 (5) 3 (7) 3 (9) 2 (5) 15 (6)
Hydrops fetalis, n (%) 1 (1) 0 (0) 0 (0) 0 (0) 0 (0) 1(0)
  1. IUGR intrauterine growth restriction, SGA small for gestational age