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. 2015 Aug 12;123(6):910–916. doi: 10.1111/1471-0528.13542

Table 1.

Maternal characteristics: singleton prospective pregnancies by ZDV exposure during pregnancy among HIV‐infected women reported to the APR through to 31 July 2013 with outcome

Characteristic Overall Regimens containing ZDV Regimens excluding ZDV P‐value
Number of pregnancies 14 684 12 780 1904
Age (years) a
n 14 608 12 725 1883 <0.0001
Mean (SD) 28.2 (6.04) 27.9 (6.00) 30.0 (6.00)
Median (interquartile range) 28.0 (9.0) 28.0 (9.0) 30.0 (8.0)
Minimum – Maximum 13–55 13–55 14–48
Missing 76 (0.5%) 55 (0.4%) 21 (1.1%)
Race, n (%) b
White 2272 (15.5) 1969 (15.4) 303 (15.9) <0.0001
Black 8682 (59.1) 7506 (58.7) 1176 (61.8)
Hispanic 2915 (19.9) 2623 (20.5) 292 (15.3)
Asian 128 (0.9) 99 (0.8) 29 (1.5)
Other 402 (2.7) 333 (2.6) 69 (3.6)
Missing 285 (1.9) 250 (2.0) 35 (1.8)
CD4 + T‐cell categories at start of pregnancy, n (%) b
≥500 μl 4561 (31.1) 3966 (31.0) 595 (31.3) 0.1071
200–499 μl 6583 (44.8) 5692 (44.5) 891 (46.8)
<200 μl 2407 (16.4) 2122 (16.6) 285 (15.0)
Unknown 77 (0.5) 64 (0.5) 13 (0.7)
N/A 24 (0.2) 13 (0.1) 11 (0.6)
Missing 1032 (7.0) 923 (7.2) 109 (5.7)
Country of reported origin, n (%)
USA 11 872 (80.8) 10 684 (83.6) 1188 (62.4) <0.0001
Other 2808 (19.1) 2093 (16.4) 715 (37.6)
Missing 4 (0.0) 3 (0.0) 1 (0.1)

Percentages are based on the number of pregnancies; pregnancies include 266 multiple gestation births (262 twin and four triplet).

a

P‐value is based on the independent t‐test.

b

P‐value is based on the Fisher's exact test (chi‐square test for Race). Analysis does not include N/A, Unknown, or Missing values.