Table 1 Characteristics of patients.
From: Development of a prognostic nomogram for patients with malignant mesothelioma with bone metastasis
Variables | Training set (N, %) | Validation set (N, %) | ALL (N, %) |
|---|---|---|---|
Number of patients | 217(70) | 94(30) | 311 |
Cause of death | |||
 Alive or dead of other cause | 28 (12.90) | 11 (11.70) | 39 (12.54) |
 Dead attributable to this cancer | 189 (87.10) | 83 (88.30) | 272 (87.46) |
Sex | |||
 Female | 47 (21.66) | 13 (13.83) | 60 (19.29) |
 Male | 170 (78.34) | 81 (86.17) | 251 (80.71) |
Race | |||
 Black | 10 (4.61) | 3 (3.19) | 13 (4.18) |
 White | 189 (87.10) | 82 (87.23) | 271 (87.14) |
 Others | 18 (8.29) | 9 (9.57) | 27 (8.68) |
Age (years) | |||
 ≤ 65 | 61 (28.11) | 21 (22.34) | 82 (26.37) |
 66–82 | 122 (56.22) | 55 (58.51) | 177 (56.91) |
 > 82 | 34 (15.67) | 18 (19.15) | 52 (16.72) |
Marital status | |||
 Married | 140 (64.52) | 59 (62.77) | 199 (63.99) |
 Divorced | 18 (8.29) | 9 (9.57) | 27 (8.68) |
 Others | 59 (27.19) | 26 (27.66) | 85 (27.33) |
Median income | |||
 < $39,999 | 10 (4.61) | 1 (1.06) | 11 (3.54) |
 $40,000–$49,999 | 26 (11.98) | 9 (9.57) | 35 (11.25) |
 $50,000–$59,999 | 37 (17.05) | 16 (17.02) | 53 (17.04) |
 $60,000–$69,999 | 64 (29.49) | 31 (32.98) | 95 (30.55) |
 > $70,000 | 80 (36.87) | 37 (39.36) | 117 (37.62) |
Rural–urban continuum code | |||
 Nonmetropolitan areas | 27 (12.44) | 7 (7.45) | 34 (10.93) |
 Metropolitan areas | 190 (87.56) | 87 (92.55) | 277 (89.07) |
Primary site | |||
 Pleura | 190 (87.56%) | 79 (84.04%) | 269 (86.50%) |
 Peritoneum | 4 (1.84%) | 2 (2.13%) | 6 (1.93%) |
 Others | 23 (10.60%) | 13 (13.83%) | 36 (11.58%) |
Histologict type | |||
 Not otherwise specified | 98 (45.16) | 32 (34.04) | 130 (41.80) |
 Sarcomatoid | 55 (25.35) | 28 (29.79) | 83 (26.69) |
 Epithelioid | 51 (23.50) | 26 (27.66) | 77 (24.76) |
 Biphasic | 13 (5.99) | 8 (8.51) | 21 (6.75) |
Surgery of primary site | |||
 None | 197 (90.78) | 80 (85.11) | 277 (89.07) |
 Resection | 20 (9.22) | 14 (14.89) | 34 (10.93) |
Scope of regional lymph node surgery | |||
 None | 208 (95.85) | 87 (92.55) | 295 (94.86) |
 Resection | 9 (4.15) | 7 (7.45) | 16 (5.14) |
Radiotherapy | |||
 None/unknown | 153 (70.51) | 63 (67.02) | 216 (69.45) |
 Yes | 64 (29.49) | 31 (32.98) | 95 (30.55) |
Chemotherapy | |||
 None/unknown | 119 (54.84) | 42 (44.68) | 161 (51.77) |
 Yes | 98 (45.16) | 52 (55.32) | 150 (48.23) |
