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. 2024 Jan 15;24:66. doi: 10.1186/s12884-023-06241-w

Table 2.

Pregnancy outcomes and HbA1c levels of the enrolled women

Outcomes Sylhet-Bangladesh
N = 2955
Karachi-Pakistan
N = 2453
Pemba-Tanzania
N = 4102
Total
N = 9510
Yes No Yes No Yes No Yes No

Stillbirth

Gestational Age > 22 Weeks)

N = 124 N = 2831 N = 91 N = 2362 N = 124 N = 3978 N = 339 N = 9171
HbA1c < 5.7 102 (82.3) 2515 (88.8) 81 (89.9) 2253 (95.4) 103 (86.1) 3432 (86.3) 286 (84.4) 8200 (89.4)
HbA1c 5.7–6.4 20 (16.1) 304 (10.7) 5 (5.5) 92 (3.9) 13 (10.5) 512 (12.9) 38 (11.2) 908 (9.9)
HbA1c ≥ 6.5 2 (1.6) 12 (0.4) 5 (5.5) 17 (0.7) 8 (6.4) 34 (0.8) 15 (4.4) 63 (0.7)

Preterm birth

(< 37 weeks of Gestation)

N = 331 N = 2464 N = 351 N = 1961 N = 210 N = 3604 N = 892 N = 8029
HbA1c < 5.7 288 (87.0) 2194 (89.0) 327 (93.2) 1879 (95.8) 175 (83.3) 3116 (86.5) 790 (88.6) 7189 (89.5)
HbA1c 5.7–6.4 38 (11.5) 263 (10.7) 19 (5.4) 71 (3.6) 29 (13.8) 461 (12.8) 86 (9.6) 795 (9.9)
HbA1c ≥ 6.5 5 (1.5) 7 (0.3) 5 (1.4) 11 (0.6) 6 (2.9) 27 (0.7) 16 (1.8) 45 (0.6)

Large for gestational age

(> 10th centile)

N = 30 N = 2362 N = 32 N = 1943 N = 470 N = 3167 N = 532 N = 7472
HbA1c < 5.7 25 (83.3) 2099 (88.9) 27 (84.4) 1858 (95.6) 382 (81.3) 2747 (86.7) 434 (81.6) 6704 (89.7)
HbA1c 5.7–6.4 2 (6.7) 255 (10.8) 2 (6.3) 75 (3.9) 74 (15.7) 403 (12.7) 78 (14.6) 733 (9.8)
HbA1c ≥ 6.5 3 (10.0) 8 (0.3) 3 (9.3) 10 (0.5) 14 (3.0) 17 (0.5) 20 (3.8) 35 (0.5)
Cesarean section delivery N = 385 N = 2410 N = 375 N = 1815 N = 132 N = 3674 N = 892 N = 7899
HbA1c < 5.7 339 (88.0) 2143 (88.9) 346 (92.3) 1742 (96.0) 108 (81.8) 3175 (86.4) 793 (88.9) 7060 (89.4)
HbA1c 5.7–6.4 43 (11.2) 258 (10.7) 21 (5.6) 65 (3.6) 22 (16.7) 468 (12.7) 86 (9.6) 791 (10.0)
HbA1c ≥ 6.5 3 (0.8) 9 (0.4) 8 (2.1) 8 (0.4) 2 (1.5) 31 (0.9) 13 (1.5) 48 (0.6)