Table 4.

Comparison of strategies in the pain domain

Subgroup descriptors	Summary-score strategy	Single-item strategy
Variables, n	9	14
Identified subgroups, n	6	7
Subgroup size range, n (%)	48–281 (5%–30%)	42–252 (5%–27%)
Posterior probability, median (interquartile range)	0.96 (0.75–0.98)	0.97 (0.83–0.99)
Subjects with posterior probability above 0.33 for more than one subgroup, n (%)	137 (15%)	65 (7%) +2 (<1%) with no posterior probability >0.33
Subgroups’ median posterior probability, mean (range)	0.94 (0.90–0.97)	0.97 (0.93–0.99)
Subjects with posterior probability less than 0.7 on average per subgroup, n (%),range	35 (17%) 3–119 (6%–41%)	18 (14%) 5–38 (10%–15%)
Identified features*, n	5	5
Crossing subgroups#, % (n)	93 (14 of 15)	90 (19 of 21)

Notes:

^*Distinct characteristic defined by a single variable or a group of variables;

^#count of subgroups that crossed in the profile plots (subgroup-by-subgroup matrix).