Table 1 Comparison of characteristics before and after propensity score matching (PSM)
Variable | Before PSM | p-value | After PSM | p-value | ||
|---|---|---|---|---|---|---|
AS (%) | SOX (%) | AS (%) | SOX (%) | |||
Gender | Â | Â | 0.0098 | Â | Â | 1.0000 |
 Male | 29 (46.8) | 56 (69.1) |  | 29 (53.7) | 29 (53.7) |  |
 Female | 33 (53.2) | 25 (30.9) |  | 25 (46.8) | 25 (46.8) |  |
Age | Â | Â | 0.3440 | Â | Â | 1.0000 |
  ≤ 65 | 48 (77.4) | 56 (69.1) |  | 43 (79.6) | 43 (79.6) |  |
 > 65 | 14 (22.6) | 25 (30.9) |  | 11 (20.4) | 11 (20.4) |  |
Ascites | Â | Â | 0.2177 | Â | Â | 1.0000 |
 Without | 26 (41.9) | 25 (30.9) |  | 21 (38.9) | 20 (37.0) |  |
 With | 36 (58.1) | 56 (69.1) |  | 33 (61.1%) | 34 (63.0) |  |
Lauren type | Â | Â | 0.0006 | Â | Â | 0.0172 |
 Intestinal | 4 (6.5) | 26 (32.1) | 0.3169a | 4 (7.4) | 15 (27.8) | 0.5255b |
 Diffuse | 42 (67.7) | 35 (43.2) |  | 34 (63.0) | 24 (44.4) |  |
 Mixed | 16 (25.8) | 20 (24.7) |  | 16 (29.6) | 15 (27.8) |  |
Cycles | Â | Â | 0.0290 | Â | Â | 0.2318 |
 ≤ 3 | 9 (14.5) | 25 (30.9) |  | 8 (14.8) | 14 (25.9) |  |
 > 3 | 53 (85.5) | 56 (69.1) |  | 46 (85.2) | 40 (74.1) |  |
Surgery | Â | Â | 0.6602 | Â | Â | 1.0000 |
 Yes | 5 (8.1) | 5 (6.2) |  | 5 (9.3) | 5 (9.3) |  |
 No | 57 (91.9) | 76 (93.8) |  | 49 (90.7) | 49 (90.7) |  |
Inhibitor | Â | Â | 0.4099 | Â | Â | 0.3750 |
 Yes | 8 (12.9) | 7 (8.6) |  | 8 (14.8) | 5 (9.3) |  |
 No | 54 (87.1) | 74 (91.4) |  | 46 (85.2) | 49 (90.7) |  |
HER2 | Â | Â | 0.7631 | Â | Â | 1.0000 |
 Negative | 56 (90.3) | 75 (92.6) |  | 49 (90.7) | 49 (90.7) |  |
 Positive | 6 (9.7) | 6 (7.4) |  | 5 (9.3) | 5 (9.3) |  |
Trastuzumabc | Â | Â | 1.0000 | Â | Â | 1.0000 |
 No | 1 (16.7) | 1 (16.7) |  | 1 (20) | 1 (20) |  |
 Yes | 5 (83.3) | 5 (83.3) |  | 4 (80) | 4 (80) |  |
Total | 62 (100) | 81 (100) | Â | 54 (100) | 54 (100) | Â |