Research Article
Parotid Gland Stem Cell Preservation during Intensity-Modulated Radiotherapy for Nasopharyngeal Carcinoma: Dosimetric Analysis and Feasibility
Table 1
Comparison of general information.
| | | Regular group (n = 35) | Restricted group (n = 45) | χ2/t | |
| | Sex | | | 0.9786 | 0.3225 | | Male | 24 (68.6) | 26 (57.8) | | | | Female | 11 (31.4) | 19 (42.2) | | |
| | Age | 39.7 ± 3.3 | 40.3 ± 3.0 | 0.8494 | 0.3983 |
| | Clinical staging | | | 0.3304 | 0.9542 | | T1 | 8 (22.9) | 11 (24.4) | | | | T2 | 12 (34.3) | 14 (31.1) | | | | T3 | 8 (22.9) | 9 (20.0) | | | | T4 | 7 (20.0) | 11 (24.4) | | |
| | Histological classification | | | 0.1055 | 0.7453 | | Undifferentiated nonkeratinizing carcinoma | 29 (82.9) | 36 (80.0) | | | | Differentiated nonkeratinizing carcinoma | 6 (17.1) | 9 (20.0) | | |
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