Table 1: Meta-analyses of randomized controlled trials (RCTs) of lifestyle modifications (hospital admission, strict bed rest, care in hospital day-care unit, outpatient care or aerobic exercise) in the management or prevention of gestational hypertension
Interventions	Outcomes measured	Total sample size	No. of RCTs	OR (and 95% CI)*
Admission to hospital v. home care for women with nonproteinuric hypertension26	Diastolic pressure > 109 mm Hg	353	2	0.74  (0.45-1.21)
	Proteinuria	353	2	0.70  (0.38-1.26)
	Eclampsia	408	3	6.70  (0.13-...)†
Admission to hospital with strict bed rest or with ambulation for women with proteinuric hypertension27	Diastolic pressure > 109 mm Hg	105	1	1.83  (0.72-4.33)
	Increased severity of proteinuria	105	1	0.49  (0.20-1.17)
	Fulminating pre-eclampsia	145	2	1.96  (0.97-3.94)
	Eclampsia	145	2	0.13  (0.001-6.69)
Care in physician's office v. care in hospital day-care unit for women with nonproteinuric hypertension13	Admission to hospital	54	1	8.80  (3.00-25.80)‡
	Proteinuria	54	1	11.40  (1.80-71.40)‡
	Induction of labour	54	1	4.90  (1.60-13.80)‡
Aerobic exercise v. no exercise28	Pre-eclampsia	82	2	1.21  (0.36-4.07)
*OR = odds ratio, CI = confidence interval. †Infinity denoted as ... ‡Statistically significant.

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