Table 7.
Kaplan-Meier Survival Rates and Log-Rank Multiple Comparisons on Race for Years 1988 to 2010
| Survival Rate | Log-Rank Test | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| 5-year (95% CI) | 10-year (95% CI) | 15-year (95% CI) | 20-year (95% CI) | P Value 1 | ||
|
|
|
|||||
| All Histologies | 0.002 | |||||
| White | 0.83 (0.82 to 0.84) | 0.81 (0.80 to 0.82) | 0.79 (0.78 to 0.80) | 0.78 (0.77 to 0.80) | – | |
| Black | 0.84 (0.82 to 0.87) | 0.82 (0.79 to 0.85) | 0.81 (0.77 to 0.84) | 0.79 (0.75 to 0.84) | 0.178 | – |
| Hispanic | 0.89 (0.86 to 0.91) | 0.85 (0.82 to 0.88) | 0.83 (0.79 to 0.87) | 0.81 (0.76 to 0.86) | 0.003 | 0.071 |
| Mucoepidermoid Carcinoma | 0.020 | |||||
| White | 0.89 (0.87 to 0.91) | 0.87 (0.86 to 0.89) | 0.87 (0.85 to 0.89) | 0.87 (0.85 to 0.89) | – | |
| Black | 0.88 (0.84 to 0.93) | 0.88 (0.84 to 0.93) | 0.88 (0.84 to 0.93) | 0.88 (0.84 to 0.93) | 0.351 | – |
| Hispanic | 0.95 (0.92 to 0.98) | 0.93 (0.89 to 0.97) | 0.93 (0.89 to 0.97) | 0.93 (0.89 to 0.97) | 0.022 | 0.186 |
| Adenocarcinoma | 0.311 | |||||
| White | 0.74 (0.71 to 0.77) | 0.68 (0.65 to 0.72) | 0.67 (0.63 to 0.71) | 0.67 (0.63 to 0.71) | – | |
| Black | 0.74 (0.67 to 0.83) | 0.73 (0.65 to 0.82) | 0.69 (0.60 to 0.81) | – | 0.815 | – |
| Hispanic | 0.81 (0.73 to 0.89) | 0.77 (0.68 to 0.87) | 0.77 (0.68 to 0.88) | – | 0.357 | 0.550 |
| Adenoid Cystic Carcinoma | 0.969 | |||||
| White | 0.89 (0.86 to 0.91) | 0.84 (0.81 to 0.87) | 0.78 (0.74 to 0.83) | 0.75 (0.70 to 0.81) | – | |
| Black | 0.91 (0.86 to 0.96) | 0.81 (0.73 to 0.90) | 0.78 (0.69 to 0.89) | 0.72 (0.58 to 0.89) | 0.999 | – |
| Hispanic | 0.89 (0.83 to 0.96) | 0.84 (0.76 to 0.93) | 0.76 (0.65 to 0.90) | 0.76 (0.65 to 0.90) | 0.990 | 0.968 |
| Squamous Cell Carcinoma | 0.097 | |||||
| White | 0.81 (0.79 to 0.83) | 0.79 (0.77 to 0.82) | 0.79 (0.77 to 0.82) | 0.79 (0.77 to 0.82) | – | |
| Black | 0.70 (0.59 to 0.83) | 0.70 (0.59 to 0.83) | 0.70 (0.59 to 0.83) | 0.70 (0.59 to 0.83) | 0.086 | – |
| Hispanic | 0.76 (0.66 to 0.87) | 0.69 (0.57 to 0.83) | 0.69 (0.57 to 0.83) | – | 0.346 | 0.664 |
| Acinar Cell Carcinoma | 0.061 | |||||
| White | 0.95 (0.93 to 0.96) | 0.93 (0.91 to 0.95) | 0.92 (0.90 to 0.94) | 0.91 (0.88 to 0.94) | – | |
| Black | 0.97 (0.93 to 1.00) | 0.94 (0.88 to 1.00) | 0.94 (0.88 to 1.00) | 0.94 (0.88 to 1.00) | 0.128 | – |
| Hispanic | 0.99 (0.98 to 1.00) | 0.99 (0.98 to 1.00) | 0.99 (0.98 to 1.00) | 0.92 (0.78 to 1.00) | 0.049 | 0.798 |
1
P values for multiple comparisons of the Log-rank test were based on the Tukey-Kramer adjustment.