Table 4.

Data, inverse probability of treatment weights (IPTW) and pseudopopulations for treatments A and B

			Observed data
			Treatment with A			Treatment with B
Sex	Age (years)	Severity	Patients	Relapses	IPTW weights	Patients	Relapses	IPTW weights	Total
Men	<60	Low	200	4	1.25	50	1	5	250
	<60	High	60	6	2.67	100	10	1.6	160
	60+	Low	100	5	3	200	10	1.5	300
	60+	High	40	10	5	160	40	1.25	200
Women	<60	Low	200	2	1.5	100	1	3	300
	<60	High	60	3	1.67	40	2	2.5	100
	60+	Low	100	4	1.5	50	2	3	150
	60+	High	40	6	3.5	100	15	1.4	140
		All	800	40		800	81		1600
			Pseudopopulations
			If all patients were treated with A			If all patients were treated with B
Men	<60	Low	250	5		250	5		500
	<60	High	160	16		160	16		320
	60+	Low	300	15		300	15		600
	60+	High	200	50		200	50		400
Women	<60	Low	300	3		300	3		600
	<60	High	100	5		100	5		200
	60+	Low	150	6		150	6		300
	60+	High	140	21		140	21		280
		All	1600	121		1600	121		3200