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. 2014 Jun;24(3):285–292.

Table 3.

The relationship between duration of the first and second stages of labor and frequency of cord blood nucleated red blood cells in the intervention and control groups

NRBC in cord blood count,
peripheral smear
Supportive care (n=50)
Mean (SD)
Acupressure (n=50)
Mean (SD)
Control (n=50)
Mean (SD)
Total (n=150)
Mean (SD)
Unobserved 127.0 (52.0) 212.2 (49.1) 337.8 (68.9) 224.4 (61.5)
Observed 227.7 (33.7) 242.5 (56.9) 417.7 (107.1) 361.6 (125.3)

P. value<0.01; According to logistic regression analysis and eliminating the effect of group [OR=1.009; 95% CI (1.002-1.017)]

NRBC: Nucleated red blood cells; SD: Standard deviation