. 2020 Aug 7;184(1):173–183. doi: 10.1007/s10549-020-05839-4

Table 4.

Preoperative versus postoperative upper extremity lymphedema (UEL) indices (n = 85)

FU period	FU (months) Mean ± SD	Circumference (cm)^a
FU period	FU (months) Mean ± SD	Preoperative circumference Mean ± SD	Postoperative^b Circumference Mean ± SD	Difference Mean ± SD	P-value
< 2 months (n = 73)^b	1.34 ± 0.5	122.1 ± 20.5	122.4 ± 22.2	+ 0.3 ± 10.7	0.760
2–6 months (n = 52)^b	3.6 ± 0.9	124.4 ± 20.6	123.2 ± 21.7	− 1.2 ± 8.8	0.334
6–12 months (n = 39)^b	8.1 ± 2.0	121.4 ± 17.7	123.4 ± 19.8	+ 2.0 ± 9.7	0.207
12–24 months (n = 40)^b	14.4 ± 3.0	122.1 ± 17.5	121.7 ± 21.1	− 0.4 ± 8.7	0.787
> 24 months (n = 18)^b	27.5 ± 4.3	119.8 ± 13.8	116.7 ± 15.0	− 3.1 ± 8.7	0.144

^aCalculated using the Paired Samples T-Test

^bMean difference in UEL-index preoperative and postoperative score for the reported number of patients

^cThe number of patients included in the analyses