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Table 2 Maternal tetanus vaccination during index pregnancy for mothers of cases, classifiable by GAIA criteria, by study site and overall

From: Comparison of adverse pregnancy and birth outcomes using archival medical records before and during the first wave of the COVID-19 pandemic in Kinshasa, Democratic Republic of Congo: a facility-based, retrospective cohort study

Health Facility

GAIA Definition Met

Level 5

(Missing)*

n (%)

Total

n (%)

Level 1

n (%)

Level 2

n (%)

Level 3

n (%)

Bomoi Health Center

0 (0.0)

67 (72.8)

0 (0.0)

25 (27.2)

92 (100.0)

Bondeko Health Center

0 (0.0)

1 (0.3)

247 (73.5)

88 (26.2)

336 (100.0)

Lisanga Health Center

0 (0.0)

157 (56.1)

3 (1.1)

120 (42.9)

280 (100.0)

Siloe Bdom Health Center

0 (0.0)

0 (0.0)

54 (34.4)

103 (65.6)

157 (100.0)

Bosembo Health Center

0 (0.0)

3 (1.6)

9 (4.9)

173 (93.5)

185 (100.0)

Esengo General Hospital

0 (0.0)

0 (0.0)

0 (0.0)

258 (100.0)

258 (100.0)

Mokali General Hospital

0 (0.0)

33 (27.7)

0 (0.0)

86 (72.3)

119 (100.0)

Saint Joseph General Hospital

0 (0.0)

0 (0.0)

70 (27.1)

188 (72.9)

258 (100.0)

Kinshasa General Hospital

0 (0.0)

0 (0.0)

4 (1.2)

334 (98.8)

338 (100.0)

Ngaliema Clinic

0 (0.0)

101 (29.4)

12 (3.5)

231 (67.2)

344 (100.0)

Total

0 (0.0)

362 (15.3)

399 (16.9)

1606 (67.8)

2367 (100.0)

  1. Maternal vaccination assessed only for those births screened as cases in the initial module. All mothers with a discernable record of tetanus vaccination during the specific pregnancy under investigation from birth record screening (n = 731) met at least one Level of GAIA diagnostic certainty criteria for maternal vaccination. Row percentages describe site-specific breakdown of GAIA levels met for maternal tetanus vaccination information
  2. *Missing indicates missing vaccination history for the specific pregnancy under investigation, even if maternal records were identified and linked to the birth record. This includes case mothers with a history of tetanus vaccination that occurred prior to the pregnancy that resulted in the birth investigated
  3. GAIA  Global Alignment of Immunization safety Assessment in pregnancy