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Table 1 Characteristics of excluded studies

From: Neonatal prophylaxis with antibiotic containing ointments does not reduce incidence of chlamydial conjunctivitis in newborns

Study, year, location, ref. #

Prospective

Was study comparative?

Ocular prophylaxis Preparations

Prenatal screening for C. trachomatis

Number of Infants

Infants followed prospectively

Only Infants with conjunctivitis tested for C. trachomatis

All infants seen prospectively, and tested for C. trachomatis in eye and NP

1. Laga (1988) [15], Kenya

Yes

Yes

Silver nitrate Tetracycline

No*

1233

1499

Yes

Yes

Yes

2. Chen (1992) [16], Taiwan

Yes

Yes

Silver nitrate Tetracycline

Erythromycin

No prophylaxis

Erythromycin twice

No

1082

1156

1163

1143

425

No

No

No

3. Rours (2006) [17], South Africa

Yes

No#

Tetracycline

Yes

77

Yes

Yes

Yes

4. Ali (2007) [18], Iran

Yes

Yes

Betadine

Erythromycin

No prophylaxis

No

110

110

110

Yes

Yes

No

5. Matinzadeh (2007) [19], Iran

Yes

Yes

Erythromycin

No prophylaxis

Normal saline

No

320

337

335

Yes

Yes

Yes

6. Ramirez-Ortiz (2007) [20], Mexico

Yes

Yes

Povidone-iodine vs. chloramphenicol

No

2004

Yes

Yes

Yes

7. David (2011) [21], Israel

Yes

No

Povidone iodine vs. tetracycline

No

394

Yes

Yes

No

8. Alexandre (2015) [22], Angola

No

No

Povidone-iodine vs. no prophylaxis

No

317

No

No

No

  1. * Women identified intrapartum, results not available at delivery. # No comparative arm
  2. 1% silver nitrate drops
  3. 1% tetracycline ophthalmic ointment
  4. 0.5% erythromycin ophthalmic ointment
  5. 2.5% povidone-iodine drops