Table 4.

Comparison of Physician coder 1 and Physician coder 2 responses for specific causes of stillbirth (n=134)

Underlying Cause of SB	Physician Response - n (%)				Kappa with corres- ponding 95% CI
	Physicians agreed			Physicians disagreed (one physician noted condition positive and other noted con- dition negative)
	Condition noted as un- derlying cause	Condition not noted as un- derlying cause	Total
Antepartum Hemorrhage	8	120	128 (96%)	6 ( 4%)	0.70 (0.48, 0.93)
Maternal Infection	42	78	120 (90%)	14 (10%)	0.78 (0.67, 0.89)
Preterm	5	119	124 (93%)	10 ( 7%)	0.46 (0.19, 0.74)
Maternal Accident	6	127	133 (99%)	1 ( 1%)	0.92 (0.76. 1.00)
Prolonged labor	11	118	129 (96%)	5 ( 4%)	0.79 (0.62, 0.97)
Cord prolapse/ complication	5	123	128 (96%)	6 ( 4%)	0.60 (0.31, 0.89)
Unknown/ no cause	11	112	123 (92%)	11 ( 8%)	0.62 (0.42, 0.83)