Table 4: Neonatal variables, Apgar scores, and acid-base balance as mean (SD) and 95% confidence intervals in morphometric index z-score bands of term-born neonates at 37–43 weeks gestation as compared with the reference (25 to <75%).

Morphometric index (centile)NMeanSD95% confidence interval
Lower limitUpper limit

Apgar score_1′<10%4718.411.388.288.53<0.001
10 to <25%7098.761.108.688.840.032
25 to <75%2,3598.880.848.858.92Reference
75 to <90%7108.850.848.798.92n.s.
90 to <100%4708.790.908.708.87n.s.
Total4,7198.800.968.788.83
Apgar score_5′<10%4709.550.959.469.63<0.001
10 to <25%7099.790.659.749.840.033
25 to <75%2,3589.870.509.859.89Reference
75 to <90%7109.880.439.859.91n.s.
90 to <100%4709.810.639.769.87n.s.
Total4,7179.820.599.809.84
Apgar score_10′<10%4719.830.599.789.89<0.001
10 to <25%7099.940.319.929.97n.s.
25 to <75%2,3609.970.239.969.98Reference
75 to <90%7109.970.209.969.99n.s.
90 to <100%4709.960.269.949.99n.s.
Total4,7209.950.309.949.96
pH, umbilical arterial blood (UAB)<10%4667.270.097.267.28<0.001
10 to <25%6907.280.077.287.29n.s.
25 to <75%2,3187.290.077.287.29Reference
75 to <90%7017.280.067.287.29n.s.
90 to <100%4677.280.077.277.28n.s.
Total4,6427.280.077.287.28
pCO2 (UAB) (mmHF)<10%46445.510.244.646.5n.s.
10 to <25%68844.28.243.644.8n.s.
25 to <75%2,30544.68.344.244.9Reference
75 to <90%70044.87.744.245.4n.s.
90 to <100%46245.98.045.246.60.015
Total4,61944.88.444.545.0
Base excess (UAB) (mmol/L)<10%4647.44.57.07.80.009
10 to <25%6837.03.96.77.3n.s.
25 to <75%2,2976.73.76.66.9Reference
75 to <90%6967.03.96.77.3n.s.
90 to <100%4596.93.96.57.2n.s.
Total4,5996.93.96.87.0