Table 1 Patient Demographic, Clinical, and Pathologic Characteristics by Extent of Surgery.
Variable | Total (n = 5610) | Lobectomy (n = 288) | Total thyroidectomy (n = 5322) | P | SMD |
|---|---|---|---|---|---|
Age, n (%) | 0.860 | ||||
<55 | 4811 (85.76) | 248 (86.11) | 4563 (85.74) | 0.011 | |
≥55 | 799 (14.24) | 40 (13.89) | 759 (14.26) | 0.011 | |
Sex, n (%) | 0.406 | ||||
Female | 3902 (69.55) | 194 (67.36) | 3708 (69.67) | 0.050 | |
Male | 1708 (30.45) | 94 (32.64) | 1614 (30.33) | 0.050 | |
Race, n (%) | 0.090 | ||||
Black | 113 (2.01) | 4 (1.39) | 109 (2.05) | 0.047 | |
Other | 919 (16.38) | 60 (20.83) | 859 (16.14) | 0.128 | |
White | 4578 (81.6) | 224 (77.78) | 4354 (81.81) | 0.105 | |
Marital status, n (%) | 0.588 | ||||
Married | 3050 (54.37) | 164 (56.94) | 2886 (54.23) | 0.055 | |
Other | 670 (11.94) | 30 (10.42) | 640 (12.03) | 0.049 | |
Single | 1890 (33.69) | 94 (32.64) | 1796 (33.75) | 0.023 | |
T stage, n (%) | 0.059 | ||||
T1 | 3337 (59.48) | 156 (54.17) | 3181 (59.77) | 0.114 | |
T2 | 2273 (40.52) | 132 (45.83) | 2141 (40.23) | 0.114 | |
N stage, n (%) | 0.004 | ||||
N1a | 2389 (42.58) | 146 (50.69) | 2243 (42.15) | 0.173 | |
N1b | 3221 (57.42) | 142 (49.31) | 3079 (57.85) | 0.173 | |
Multifocal, n (%) | < 0.001 | ||||
Multifocal | 3030 (54.01) | 122 (42.36) | 2908 (54.64) | 0.247 | |
Solitary | 2580 (45.99) | 166 (57.64) | 2414 (45.36) | 0.247 | |
No. of LN Examined, median (IQR) | 21.00 (11.00, 38.00) | 16.50 (9.00, 29.25) | 21.00 (11.00, 39.00) | < 0.001 | 0.247 |
No. of LN Positive, median (IQR) | 8.00 (6.00, 12.00) | 7.00 (6.00, 11.00) | 8.00 (6.00, 12.00) | < 0.001 | 0.223 |
LNR, median (IQR) | 0.47 (0.29, 0.71) | 0.50 (0.30, 0.76) | 0.47 (0.29, 0.71) | 0.029 | 0.129 |
