		Age (years)					Total n = 4201	p-value
		20 - 29 n = 353	30 - 39 n = 1301	40 - 49 n = 1601	50 - 59 n = 758	≥60 n = 188	Total n = 4201	p-value
Thermage	X^a	331	890	1011	460	109	2801	p < 0.001
		93.8%	68.4%	63.1%	60.7%	58.0%	66.7%
	O	22	411	590	298	79	1400
		6.2%	31.6%	36.9%	39.3%	42.0%	33.3%
Eye thermage	X	352	1267	1540	721	182	4062	0.001
		99.7%	97.4%	96.2%	95.1%	96.8%	96.7%
	O	1	34	61	37	6	139
		.3%	2.6%	3.8%	4.9%	3.2%	3.3%
PDO thread lift	X	339	1241	1511	684	166	3941	p < 0.001
		96.0%	95.4%	94.4%	90.2%	88.3%	93.8%
	O	14	60	90	74	22	260
		4.0%	4.6%	5.6%	9.8%	11.7%	6.2%
Silhouette soft thread	X	352	1283	1571	717	180	4103	p < 0.001
		99.7%	98.6%	98.1%	94.6%	95.7%	97.7%
	O	1	18	30	41	8	98
		.3%	1.4%	1.9%	5.4%	4.3%	2.3%
Nasolabial fold filler	X	327	1162	1442	682	168	3781	0.479
		92.6%	89.3%	90.1%	90.0%	89.4%	90.0%
	O	26	139	159	76	20	420
		7.4%	10.7%	9.9%	10.0%	10.6%	10.0%
Masseter botulinum toxin	X	93	766	1206	644	175	2884	p < 0.001
		26.3%	58.9%	75.3%	85.0%	93.1%	68.7%
	O	260	535	395	114	13	1317
		73.7%	41.1%	24.7%	15.0%	6.9%	31.3%
Glabella lines botulinum toxin	X	311	1073	1127	472	101	3084	P < 0.001
		88.1%	82.5%	70.4%	62.3%	53.7%	73.4%
	O	42	228	474	286	87	1117
		11.9%	17.5%	29.6%	37.7%	46.3%	26.6%
Horizontal forehead lines botulinum toxin	X	331	1105	1175	554	127	3292	p < 0.001
		93.8%	84.9%	73.4%	73.1%	67.6%	78.4%
	O	22	196	426	204	61	909
		6.2%	15.1%	26.6%	26.9%	32.4%	21.6%
Lateral canthal lines botulinum toxin	X	340	1157	1230	568	120	3415	p < 0.001
		96.3%	88.9%	76.8%	74.9%	63.8%	81.3%
	O	13	144	371	190	68	786
		3.7%	11.1%	23.2%	25.1%	36.2%	18.7%