Research Article
[Retracted] A Prediction Model for Cognitive Impairment Risk in Colorectal Cancer after Chemotherapy Treatment
Table 2
Differences of demographic and clinical characteristics between the training and testing sets.
| Variables | Entire cohort | Training set | Testing set | value | () | () | () |
| CRCI | | | | | No | 269 (69.69) | 79 (69.30) | 190 (69.85) | 0.994 | Yes | 117 (30.31) | 35 (30.70) | 82 (30.15) | | Age | | | | 0.23 | Gender | | | | 0.051 | Female | 189 (48.96) | 44 (38.60) | 145 (53.31) | | Male | 197 (51.04) | 70 (61.40) | 127 (46.69) | | BMI | | | | 0.49 | Waist | | | | 0.692 | Heart rate | | | | 0.161 | Smoking history | | | | 0.08 | No | 284 (73.58) | 75 (65.79) | 209 (76.84) | | Yes | 102 (26.42) | 39 (34.21) | 63 (23.16) | | Education level | | | | 0.465 | Higher education | 93 (24.09) | 29 (25.44) | 64 (23.53) | | Primary education or below | 149 (38.60) | 36 (31.58) | 113 (41.54) | | Secondary education | 144 (37.31) | 49 (42.98) | 95 (34.93) | | Marital status | | | | 0.73 | Single or divorce | 116 (30.05) | 31 (27.19) | 85 (31.25) | | Married | 270 (69.95) | 83 (72.81) | 187 (68.75) | | Medical insurance | | | | 0.444 | Commercial insurance payment | 62 (16.06) | 17 (14.91) | 45 (16.54) | | Social security payments | 298 (77.20) | 85 (74.56) | 213 (78.31) | | Self-paying | 26 (6.74) | 12 (10.53) | 14 (5.15) | | Homeplace | | | | 0.947 | Rural areas | 130 (33.68) | 37 (32.46) | 93 (34.19) | | Urban areas | 256 (66.32) | 77 (67.54) | 179 (65.81) | | Per capita monthly household income | | | | 0.961 | 2001-5000 yuan per month | 193 (50.00) | 60 (52.63) | 133 (48.90) | | <2000 yuan per month | 76 (19.69) | 20 (17.54) | 56 (20.59) | | >5000 yuan per month | 117 (30.31) | 34 (29.82) | 83 (30.51) | | Depression | | | | 0.945 | No | 232 (60.10) | 70 (61.40) | 162 (59.56) | | Yes | 154 (39.90) | 44 (38.60) | 110 (40.44) | | Drinking | | | | 0.556 | No | 295 (76.42) | 83 (72.81) | 212 (77.94) | | Yes | 91 (23.58) | 31 (27.19) | 60 (22.06) | | Diet | | | | 0.576 | Balanced diet | 124 (32.12) | 37 (32.46) | 87 (31.99) | | Carnivorous | 137 (35.49) | 34 (29.82) | 103 (37.87) | | Vegetarian | 125 (32.38) | 43 (37.72) | 82 (30.15) | | Exercise | | | | 0.27 | Less than 3 times a week | 183 (47.41) | 44 (38.60) | 139 (51.10) | | More than 3 times a week | 70 (18.13) | 23 (20.18) | 47 (17.28) | | No | 133 (34.46) | 47 (41.23) | 86 (31.62) | | Diabetes | | | | 0.507 | No | 293 (75.91) | 91 (79.82) | 202 (74.26) | | Yes | 93 (24.09) | 23 (20.18) | 70 (25.74) | | Hypertension | | | | 0.992 | No | 249 (64.51) | 73 (64.04) | 176 (64.71) | | Yes | 137 (35.49) | 41 (35.96) | 96 (35.29) | | Hypercholesterolemia | | | | 0.441 | No | 219 (56.74) | 59 (51.75) | 160 (58.82) | | Yes | 167 (43.26) | 55 (48.25) | 112 (41.18) | | Pathological stage | | | | 0.771 | No | 187 (48.45) | 52 (45.61) | 135 (49.63) | | Yes | 199 (51.55) | 62 (54.39) | 137 (50.37) | | Colostomy | | | | 0.953 | No | 325 (84.20) | 97 (85.09) | 228 (83.82) | | Yes | 61 (15.80) | 17 (14.91) | 44 (16.18) | | CRA | | | | 0.649 | No | 64 (16.58) | 22 (19.30) | 42 (15.44) | | Yes | 322 (83.42) | 92 (80.70) | 230 (84.56) | | Complications | | | | 0.655 | No | 336 (87.05) | 102 (89.47) | 234 (86.03) | | Yes | 50 (12.95) | 12 (10.53) | 38 (13.97) | | Tumor location | | | | 1 | Left hemicolon | 90 (23.32) | 27 (23.68) | 63 (23.16) | | Rectum | 153 (39.64) | 44 (38.60) | 109 (40.07) | | Right hemicolon | 91 (23.58) | 27 (23.68) | 64 (23.53) | | Transverse colon | 52 (13.47) | 16 (14.04) | 36 (13.24) | | PSQI | | | | 0.514 | Social Impact Scale | | | | 0.06 | Total score QLQ-C30 | | | | 0.533 |
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