Table 1.

Bivariate Relationship Between Total Follow-up Costs in the First 6 Months and Key Baseline Study Variables for the 2155 Analyzed Patients

		N	Median	IQR	p value
Sex	Male	878	$3249	($1314, $8947)	0.10
	Female	1269	$2842	($1302, $7058)
Age	Up to 70	355	$3368	($1177, $9137)	0.77
	71 to 80	609	$3027	($1394, $7295)
	81 to 89	604	$2861	($1305, $7162)
	90 and over	587	$2917	($1241, $7552)
Income	Under $30,000	425	$2917	($1277, $7424)	0.27
	$30K to $50K	840	$2748	($1302, $7062)
	$50K to $70K	539	$3279	($1421, $8127)
	$70K and over	286	$2863	($1182, $7742)
Baseline 6-month costs	Under $2500	567	$1441	($639, $3404)	< 0.001
	$2.5K to $6K	486	$2799	($1537, $5187)
	$6K to $15K	483	$4045	($1814, $9140)
	$15K and over	619	$5346	($2080, $17,880)
MARA Risk Score	Under 1.5	455	$1614	($537, $4492)	< 0.001
	1.5 to 3	643	$1839	($909, $3381)
	3 to 5	470	$3398	($1810, $7333)
	5 and over	542	$7468	($3575, $22,764)
Baseline PAM level	1	552	$3410	($1387, $9948)	0.050
	2	403	$2888	($1284, $7156)
	3	842	$2978	($1318, $7558)
	4	358	$2711	($1223, $5866)

Missing counts: Sex, 8; Income, 65; MARA score, 45. IQR is interquartile range (25th percentile, 75th percentile). The p values are from Kruskal-Wallis tests