Table 1: Clinical characteristics of patients.

CharacteristicsTotal ,  No. (%)Planned surgery , No. (%)Unplanned surgeryP value
All
Immediate
Delayed
P value

Age0.523
 <4575 (55.5%)47 (56.0%)28 (54.9%)6 (50%)22 (56.4%)0.696
 ≥4560 (44.5%)37 (44.0%)23 (45.1%)6 (50%)17 (43.6%)
Gender0.039
 Male83 (61.5%)46 (54.8%)37 (72.5%)9 (75%)28 (71.8%)0.828
 Female52 (38.5%)38 (45.2%)14 (27.5%)3 (25%)11 (28.2%)
Tumor site0.207
 Upper44 (32.6%)25 (29.8%)19 (37.3%)2 (16.7%)17 (43.6%)0.092
 Lower91 (67.4%)59 (70.2%)32 (62.7%)10 (83.3%)22 (56.4%)
Grade0.152
 121 (15.5%)13 (15.5%)8 (15.7%)4 (33.3%)4 (10.3%)0.158
 242 (31.1%)31 (36.9%)11 (21.6%)2 (16.7%)9 (23%)
 372 (53.4%)40 (47.6%)32 (62.7%)6 (50%)26 (66.7%)
Size0.001
 <5 cm70 (51.8%)34 (40.5%)36 (70.5%)12 (100%)24 (61.5%)0.011
 >5 cm65 (48.2%)50 (59.5%)15 (29.5%)0 (0%)15 (38.5%)
Radio0.000
 Yes95 (70.3%)47 (71.4%)48 (94.1%)11 (91.7%)37 (94.9%)0.680
 No40 (29.7%)37 (28.6%)3 (5.9%)1 (8.3%)2 (5.1%)
Margin0.447
 1–4 mm29 (21.5%)18 (21.4%)11 (21.6%)5 (41.7%)6 (15.4%)0.203
 5–9 mm39 (28.9%)28 (33.3%)11 (21.6%)1 (8.3%)10 (25.6%)
 10–19 mm58 (42.9%)34 (40.5%)24 (47.1%)6 (50%)18 (46.2%)
 >206 (4.4%)4 (4.8%)2 (3.9%)0 (0%)2 (5.1%)
Depth0.504
 Superficial72 (53.4%)47 (56.0%)25 (49.9%)9 (75%)16 (41.1%)0.040
 Deep63 (46.6%)37 (44.0%)26 (50.9%)3 (25%)23 (58.9%)