Table 1.
Subgroup patient characteristics for the STR and GTR cohorts, before and after PSM with a 1:2 ratio according to adjuvant RT status
| STR‒Unmatched | STR‒Matched | GTR‒Unmatched | GTR‒Matched | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RT | RT | RT | RT | |||||||||
| No | Yes | P | No | Yes | P | No | Yes | P | No | Yes | P | |
| n | 846 | 288 | 576 | 288 | 1115 | 266 | 532 | 266 | ||||
| Age, y, median [IQR] | 62.0 [48.0, 72.0] | 57.0 [48.0, 66.3] | .002 | 58.0 [46.0, 69.0] | 57.0 [48.0, 66.3] | .599 | 60.0 [49.0, 69.0] | 58.0 [44.3, 66.0] | .041 | 57.0 [47.0, 67.0] | 58.0 [44.3, 66.0] | .858 |
| Year (%) | .255 | .653 | .076 | .177 | ||||||||
| 2009 | 10 (1.2) | 6 (2.1) | 6 (1.0) | 6 (2.1) | 16 (1.4) | 6 (2.3) | 8 (1.5) | 6 (2.3) | ||||
| 2010 | 250 (29.6) | 99 (34.4) | 194 (33.7) | 99 (34.4) | 303 (27.2) | 87 (32.7) | 160 (30.1) | 87 (32.7) | ||||
| 2011 | 291 (34.4) | 94 (32.6) | 195 (33.9) | 94 (32.6) | 389 (34.9) | 73 (27.4) | 186 (35.0) | 73 (27.4) | ||||
| 2012 | 295 (34.9) | 89 (30.9) | 181 (31.4) | 89 (30.9) | 407 (36.5) | 100 (37.6) | 178 (33.5) | 100 (37.6) | ||||
| Sex (%) | 1.000 | .789 | .584 | .940 | ||||||||
| Male | 369 (43.6) | 125 (43.4) | 243 (42.2) | 125 (43.4) | 509 (45.7) | 127 (47.7) | 251 (47.2) | 127 (47.7) | ||||
| Female | 477 (56.4) | 163 (56.4) | 333 (57.8) | 163 (56.6) | 606 (54.3) | 139 (52.3) | 281 (52.8) | 139 (52.3) | ||||
| Race (%) | .128 | .749 | .242 | .969 | ||||||||
| Caucasians | 663 (78.4) | 240 (83.3) | 490 (85.1) | 240 (83.3) | 930 (83.4) | 211 (79.3) | 426 (80.1) | 211 (79.3) | ||||
| African Americans | 149 (17.6) | 36 (12.5) | 62 (10.8) | 36 (12.5) | 145 (13.0) | 45 (16.9) | 87 (16.4) | 45 (16.9) | ||||
| Asian/Pacific Islanders | 34 (4.0) | 12 (4.2) | 24 (4.2) | 12 (4.2) | 40 (3.6) | 10 (3.8) | 19 (3.6) | 10 (3.8) | ||||
| Histology (%) | .062 | .299 | .139 | .404 | ||||||||
| Meningioma NOS | 254 (30.0) | 75 (26.0) | 142 (24.7) | 75 (26.0) | 270 (24.2) | 53 (19.9) | 99 (18.6) | 53 (19.9) | ||||
| Meningothelial meningioma | 37 (4.4) | 7 (2.4) | 18 (3.1) | 7 (2.4) | 46 (4.1) | 6 (2.3) | 15 (2.8) | 6 (2.3) | ||||
| Fibrous meningioma | 12 (1.4) | 1 (0.3) | 9 (1.6) | 1 (0.3) | 18 (1.6) | 1 (0.4) | 8 (1.5) | 1 (0.4) | ||||
| Psammomatous meningioma | 3 (0.4) | 1 (0.3) | 3 (0.5) | 1 (0.3) | 3 (0.3) | 0 (0.0) | 1 (0.2) | 0 (0.0) | ||||
| Angiomatous meningioma | 6 (0.7) | 0 (0.0) | 3 (0.5) | 0 (0.0) | 4 (0.4) | 1 (0.4) | 0 (0.0) | 1 (0.4) | ||||
| Transitional meningioma | 15 (1.8) | 2 (0.7) | 10 (1.7) | 2 (0.7) | 26 (2.3) | 5 (1.9) | 15 (2.8) | 5 (1.9) | ||||
| Clear cell meningioma | 39 (4.6) | 21 (7.3) | 27 (4.7) | 21 (7.3) | 47 (4.2) | 18 (6.8) | 24 (4.5) | 18 (6.8) | ||||
| Atypical meningioma | 480 (56.7) | 181 (62.8) | 364 (63.2) | 181 (62.8) | 701 (62.9) | 182 (68.4) | 370 (69.5) | 182 (68.4) | ||||
| Radiation type (%) | ||||||||||||
| Fractionated | 245 (85.1) | 245 (85.1) | 244 (91.7) | 244 (91.7) | ||||||||
| Stereotactic radiosurgery | 43 (14.9) | 43 (14.9) | 22 (8.3) | 22 (8.3) | ||||||||
| BED, Gy, median [IQR] | 80.3 [75.9, 88.3] | 80.3 [75.9, 88.3] | 80.3 [80.3, 88.3] | 80.3 [80.3, 88.3] | ||||||||
| Dose (%) | ||||||||||||
| Low | 87 (30.2) | 87 (30.2) | 64 (24.1) | 64 (24.1) | ||||||||
| High | 201 (69.8) | 201 (69.8) | 202 (75.9) | 202 (75.9) | ||||||||
| Tumor size, mm, median [IQR] | 53.0 [39.0, 79.0] | 52.0 [40.0, 73.0] | .904 | 52.0 [38.0, 73.0] | 52.0 [40.0, 73.0] | .535 | 51.0 [39.5, 70.0] | 50.0 [39.0, 67.8] | .892 | 51.0 [39.0, 69.3] | 50.0 [39.0, 67.8] | .957 |