Table 2.

Comparison of the range of motion of the glenohumeral joint, between patients who received chemotherapy and those who did not receive this treatment before mastectomy.

Range of Motion (Degrees)	Patients with Chemotherapy Treatment (n = 8)	Patients without Chemotherapy Treatment (n = 7)	p-Value
Flexion–extension Mean ± std	92.0 ± 8.5	113.5 ± 11.3	0.001 *
Abduction–adduction Median (Q1–Q3)	101.2 (70.7–103.7)	114.8 (103.3–126.7)	0.015 **

Q1 and Q3, quartiles 1 and 3; std, standard deviation of the mean. * Significance was obtained with Student’s t-test for independent samples. ** Significance was obtained with the Mann–Whitney U test for independent samples.