Table 4.
Measurements from infants who were randomized to resuscitation with an intact cord (intervention) or after early cord clamping (control), only including those resuscitated with bag and mask
Cord Clamping Group, Mean (SD) | Difference (95% CI) | P-valuea | ||
---|---|---|---|---|
Intact cord > 3 min | Early < 1 min) | |||
Readings from pulse oximeter | (n = 72) | (n = 45) | ||
Saturation at 1 min (%) | 73.7 (8.8) | 62.6 (5.0) | 11.1 (8.2 to 13.9) | <.001 |
Saturation at 5 min (%) | 85.6 (8.1) | 76.1 (3.9) | 9.4 (6.9 to 12.0) | <.001 |
Saturation at 10 min (%) | 91.9 (7.9) | 85.1 (2.8) | 6.8 (4.4 to 9.3) | <.001 |
Heart rate at 1 min | 106 (3) | 115 (5) | −10 (−11 to −8) | <.001 |
Heart rate at 5 min | 124 (4) | 134 (4) | −10 (− 11 to −8) | <.001 |
Heart rate at 10 min | 136 (2) | 136 (2) | 1 (0 to 2) | .05 |
Apgar score | (n = 74) | (n = 48) | ||
Apgar at 1 min | 5.0 (1.1) | 3.8 (1.1) | 1.2 (0.8 to 1.6) | < 0.001 |
Apgar at 5 min | 6.7 (0.9) | 6.0 (1.3) | 0.7 (0.3 to 1.1) | 0.001 |
Apgar at 10 min | 9.2 (1.2) | 8.3 (1.8) | 0.9 (0.3 to 1.5) | 0.005 |
Timed events, Median (interquartile range) | (n = 74) | (n = 48) | ||
Time of start of resuscitation (sec) | 48 (30 to 71) | 43 (23 to 57) | . 06b | |
Time of first cry/breath (sec) | 38 (34 to 45) | 48 (45 to 62) | <.001b | |
Time of regular breathing (sec)c | 78 (67 to 155) | 356 (98 to 389) | <.001b | |
Time to cord clamping (sec) | 187 (42 to 195) | 25 (11 to 40) | <.001 b |
aCalculated using an unpaired 2-tailed t test
bCalculated using Mann Whitney U test
cIntact cord group n = 72 and the early group n = 45