Table 5.

Factor loadings with varimax rotation for symptom cluster phenotypes.

	4-8 Weeks post-surgery			12-Months post-surgery
	Factor 1	Factor 2	Factor 3	Factor 1	Factor 2	Factor 3
	Impaired Limb Mobility	Fluid Accumulation	Discomfort	Impaired Limb Mobility	Discomfort	Fluid Accumulation
Limited Shoulder Movement	0.850	0.131	0.227	0.650	−0.091	0.031
Limited Elbow Movement	0.742	0.023	−0.010	0.621	−0.222	0.297
Limited Wrist Movement	0.300	0.331	−0.070	0.410	−0.044	0.519
Fingers Limited	0.190	−0.214	0.546	0.370	−0.149	0.741
Limited Arm Movement	0.852	0.158	0.236	0.783	0.189	0.104
Hand swelling	-	-	-	0.546	0.050	0.599
Arm Swelling	0.320	0.627	−0.108	0.553	0.226	0.577
Breast Swelling	−0.079	0.753	0.180	−.075	0.220	0.669
Chest Wall Swelling	0.178	0.688	0.170	0.091	0.328	0.487
Firmness	0.331	0.554	0.033	0.784	.009	0.187
Tightness	0.784	0.133	0.182	0.785	.270	−0.034
Heaviness	0.401	0.521	0.090	0.794	.310	0.148
Fibrosis (Toughness or thickness of skin)	0.074	0.418	0.015	0.588	.101	0.476
Stiffness	0.728	0.120	0.333	0.618	.198	0.095
Tenderness	0.457	0.324	0.489	0.418	0.562	0.207
Hotness/Increased temperature	−0.231	0.558	0.280	0.419	0.301	0.265
Redness	0.030	0.710	0.163	−0.037	0.164	0.363
Blistering	-	-	-	−0.069	0.736	0.024
Pain	0.341	−0.065	0.529	0.306	0.602	0.289
Numbness	0.296	0.301	.321	0.299	0.145	0.520
Burning	−0.215	0.328	0.556	−0.065	0.436	0.522
Stabbing	−0.163	0.359	0.694	−0.111	0.733	0.211
Tingling (pins and needles)	0.086	0.080	0.466	0.085	0.587	0.146
Arm or hand fatigue	0.237	0.102	0.694	0.412	0.606	0.033
Arm or hand weakness	0.278	0.118	0.719	0.508	0.558	−0.053
Seroma	-	-	-	0.199	0.688	0.150
Initial Eigenvalues	6.587	2.777	2.073	8.657	2.972	2.012
% of variance	28.641	12.076	9.012	33.296	11.429	7.739
% of cumulative variance	28.641	40.717	49.729	33.296	44.725	52.464

^*Bold values denote factor loading > 0.40, -’s indicate symptoms not reported by any patients