Table 2.

Number of perinatal deaths, by blood pressure range, attributed to mother's highest blood pressure during antenatal check being more or less than optimal value predicted by linear quadratic model

Highest blood pressure (mm Hg)	Overall No of deaths	No of attributable deaths*	No of women
Excluding women with chronic hypertension or proteinuria
<60	6	3.6	474
60-69	126	30.9	18 511
70-79	388	51.2	65 179
80-82.71	198	0.4	36 582
82.72-89	27	2.4	4365
90-99	52	0.7	9029
100-109	16	−2.3	3164
≥110	11	7.4	621
Total in relation to blood pressure (mm Hg):
<82.71	718	86.1	120 746
≥82.71	106	8.3	17 179
Overall total	824	94.4	137 925
Including women with chronic hypertension or proteinuria
<60	6	3.5	477
60-69	128	29.1	18 651
70-79	392	41.0	65 980
80-80.37	204	−4.4	37 394
80.38-89	31	2.9	4832
90-99	67	5.7	10 346
100-109	28	1.6	4378
≥110	27	19.3	1245
Total in relation to blood pressure (mm Hg):
<80.37	730	69.2	122 502
≥80.37	153	29.5	20 801
Overall total	883	98.7	143 303

^*Attributable to highest blood pressure being different from optimum.