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Table 3 Individual-level validation of register recording for Chlorhexidine cord-application, EN-BIRTH study (n = 6711)

From: Chlorhexidine for facility-based umbilical cord care: EN-BIRTH multi-country validation study

  Azimpur (BD)
Tertiary
Kushtia (BD)
District
Pokhara (NP)
Regional
Pooled
(Random effects)
N (%) (CI) N (%) (CI) N (%) (CI) N (%) (CI)
Register-recorded denominator 2222 live births 1839 live births 6711 live births  
All modes of birth combined
 Observer prevalence % 2582 (89.3)   2257 (97.9)   7112 (99.4)   99.6 (88.8, 99.9)
 Register-recorded prevalence % 2185 (98.3)   1796 (97.7)   5282 (78.7)   93.7 (76.4, 100.0)
 Not recorded 13 (0.6)   41 (2.2)   1394 (20.8)   5.4 (0.0, 23.5)
 Not readable 0 (0)   0 (0)   4 (0.1)   0.0 (0.0, 0.1)
INCLUDES NOT RECORDED AND NOT READABLE AS NO
  > 10 Cell counts No   No   Yes    
 % agreement 88.6   96.4   78.7   89.0 (76.4, 97.1)
 Sensitivity ** ** ** ** 79 (78, 80) 93.8 (76.7, 100.0)
 Specificity ** ** ** ** 25 (12.7, 41.2) 8.8 (0.0, 28.0)
EXCLUDES NOT RECORDED AND NOT READABLE
  > 10 Cell counts No   No   No    
 % agreement 88.6   96.4   98.9   95.5 (87.7, 99.5)
 Sensitivity ** ** ** ** ** ** ** **
 Specificity ** ** ** ** ** ** ** **
Vaginal births
 Observer prevalence % 731 (96.3)   1290 (96.5)   6075 (99.4)   97.7 (94.4, 99.6)
 Register-recorded prevalence % 547 (97.9) 1073 (97.6) 4963 (84.3) 94.5 (82.2, 99.9)
 Not recorded 7 (1.3) 25 (2.3) 894 (15.2) 4.9 (0.0, 17.1)
 Not readable 0 (0) 0 (0) 3 (0.1) 0.0 (0.0, 0.1)
INCLUDES NOT RECORDED AND NOT READABLE AS NO
  > 10 Cell counts No   No   No    
 % agreement 94.4 95.4 83.9 91.9 (82.1, 98.0)
 Sensitivity ** ** ** ** ** ** ** **
 Specificity ** ** ** ** ** ** ** **
EXCLUDES NOT RECORDED AND NOT READABLE
  > 10 Cell counts No   No   No    
 % agreement 94.4   95.4   98.9   96.6 (92.5, 99.1)
 Sensitivity ** ** ** ** ** ** ** **
 Specificity ** ** ** ** ** ** ** **
Caesarean births
 Observer prevalence % 1850 (86.8)   967 (99.8)   1037 (99.2)   97.1 (85.6, 100.0)
 Register-recorded prevalence % 1638 (98.5) 723 (97.7) 318 (39) 85.5 (41.5, 100.0)
 Not recorded 6 (0.4) 16 (2.2) 495 (60.7) 12.9 (0.0, 58.9)
 Not readable 0 (0) 0 (0) 1 (0.1) 0.0 (0.0, 0.1)
INCLUDES NOT RECORDED AND NOT READABLE AS NO
  > 10 Cell Counts No   No   No    
 % agreement 86.6 ** 40.2 79.5 (43.2, 99.3)
 Sensitivity ** ** ** ** ** ** ** **
 Specificity ** ** ** ** ** ** ** **
EXCLUDES NOT RECORDED AND NOT READABLE
  > 10 Cell counts No   No   No    
 % agreement 86.6   **   99.1   95.7 (85.5, 100.0)
 Sensitivity ** ** ** ** ** ** ** **
 Specificity ** ** ** ** ** ** ** **
  1. n = 12,379 observed live births, n = 10,772 live births with register records
  2. ** = result suppressed due to 10 or fewer count per column of two-by-two table
  3. 7.1% Chlorhexidine solution applied to the umbilicus