Table 3. Interobserver variations between the results of the eight obstetricians' visual interpretations and the computerized analysis.

	Visual interpretation only				Visual interpretation and computerized analysis
	ICC	Kappa statistic	95% CI	Agreement	ICC	Kappa statistic	95% CI	Agreement
Baseline FHR	0.91		0.88–0.94	Excellent	0.91		0.88–0.94	Excellent
Baseline variability		0.67	0.51–0.83	Good		0.68	0.51–0.84	Good
Acceleration	0.84		0.79–0.89	Excellent	0.85		0.80–0.90	Excellent
Early deceleration	0.78		0.71–0.84	Good	0.78		0.71–0.84	Good
Late deceleration	0.65		0.56–0.74	Good	0.67		0.59–0.76	Good
Variable deceleration	0.59		0.50–0.69	Moderate	0.60		0.51–0.70	Moderate
Prolonged deceleration		0.82	0.58–1.00	Excellent		0.82	0.58–1.00	Excellent
Recurrent deceleration		0.82	0.66–0.97	Excellent		0.82	0.67–0.97	Excellent
UC frequency	0.97		0.96–0.98	Excellent	0.97		0.96–0.98	Excellent
Category
I		0.90	0.81–1.00	Excellent		0.91	0.81–1.00	Excellent
II		0.78	0.62–0.93	Good		0.78	0.63–0.93	Good
III		0.48	0.15–0.80	Moderate		0.50	0.17–0.83	Moderate
Overall		0.80	0.66–0.93	Good		0.80	0.67–0.94	Good

FHR, fetal heart rate; UC, uterine contraction; ICC, intraclass correlation coefficient; CI, confidence interval.