TABLE 1.
Baseline characteristic | PRE (n = 120) | PANDEMIC (n = 384) | p‐value |
---|---|---|---|
Entire observational period, months; median (range) | 42 (7–49) | 19 (4–67) | <0.001 a |
Primary observational period, months; median (range) | 6 (4–11) | 6 (2–64) | 0.33 a |
Age, years, median (range) | 53 (29–77) | 54 (28–85) | 0.80 a |
BMI, kg/m2; median (range) | 23 (17–35) | 23 (15–46) | 0.17 a |
BSA, m2; median (range) | 1.6 (1.2–2) | 1.6 (1.2–2.2) | 0.24 a |
Female, n (%) | 120 (100) | 384 (100) | ‐ |
ECOG PS, n (%) | |||
0/1/unknown | 110 (92)/3 (3)/7 (6) | 335 (87)/28 (7)/21 (5) | 0.06 b |
Presence of smoking history, n (%) | 28 (23) | 121 (31) | 0.09 b |
Reason for consultation, n (%) | |||
Symptom/screening/others | 79 (66)/28 (23)/13 (11) | 275 (72)/81 (21)/28 (7) | 0.47 b |
Menopause, n (%) | |||
Pre/post | 54 (45)/65 (54) | 168 (44)/211 (55) | 0.77 b |
Subtype, n (%) | |||
HR (+) | 66 (55) | 245 (64) | 0.08 b |
HER2 (+) | 29 (24) | 80 (21) | 0.44 b |
TN | 43 (36) | 104 (27) | 0.07 b |
Clinical T stage, n (%) | |||
T0/Tis/T1/T2/T3/T4/unknown | 0 (0)/1 (1)/20 (17)/70 (58)/21 (18)/7 (6)/1 (1) | 1 (0.3)/3 (0.8)/97 (25)/220 (57)/38 (10)/23 (6)/2 (0.5) | 0.17 b |
Clinical N stage, n (%) | |||
N0/N1/N2/N3/unknown | 55 (46)/46 (38)/3 (3)/14 (12)/2 (2) | 218 (57)/121 (32)/6 (2)/35 (9)/4 (1) | 0.22 b |
Abbreviations: BMI, body mass index; BSA, body surface area; ECOG PS, Eastern Cooperative Oncology Group Performance State; HR, hormone receptor; HER2, human epidermal growth factor receptor2; TN, triple negative.
Mann‐Whitney U‐test.
Chi‐square test.