87 Individual Cognitive Trajectories Post-Radiotherapy for Brain Metastases Table 1. Pre-radiotherapy sociodemographic and clinical characteristics of the patient population. (continued) Patients without follow-up Patients with 3 months follow-up Patients with ≥11 months follow-up Ravens matrices29, median percentile (IQR) 62.5 (28-75) 69 (38-90) 69 (47-84) Handednessb, n (%) Left 5 (21) 3 (8) 2 (14) Right 18 (75) 32 (89) 11 (79) Ambidextrous 1 (4) 1 (3) 1 (7) KPS, median (IQR) 75 (63-80) 80 (80-90) 80 (78-90) KPS ≥90, n (%) 2 (8) 14 (39) 6 (43) Missing 5 (21) 0 (0) 0 (0) No. of BMs, n (%) 1 7 (33) 11 (31) 5 (36) 2-4 12 (50) 14 (39) 5 (36) 5-10 2 (8) 7 (19) 3 (21) >10 3 (13) 4 (11) 1 (7) Hemisphere involvement BMs, n (%) Left 7 (29) 9 (25) 2 (14) Right 5 (21) 7 (19) 4 (29) Bilateral 12 (50) 20 (56) 8 (57) Lobe involvement, n (%) Frontal 11 (46) 23 (64) 9 (64) Temporal 5 (21) 8 (22) 4 (29) Occipital 8 (33) 13 (36) 4 (29) Parietal 8 (33) 17 (47) 7 (50) Cerebellum 12 (50) 15 (42) 7 (50) Brainstem 1 (4) 2 (6) 0 (0) Primary tumor origin, n (%) Lung cancer 13 (54) 17 (47) 9 (64) Melanoma 4 (17) 9 (25) 3 (21) Breast Cancer 1 (4) 2 (5) 0 (0) Renal cell carcinoma 1 (4) 3 (8) 2 (14) Other 5 (21) 5 (14) 0 (0) Extracranial metastases, n (%) 15 (63) 21 (58) 9 (64) BMs as first symptom of cancer diagnosis, n (%) 7 (29) 12 (33) 8 (57) 4
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