Table III.
Incidences and multiplicities of macroscopical lung nodules.
| Macroscopical nodule | ||||||
|---|---|---|---|---|---|---|
|
|
||||||
| Group | Gendera | Treatmenta | Durationb | No.c | Incidence (%) | Multiplicityd |
| 1 | F | NNKx2 OVX | 18 | 21 | 21/21 (100.0) | 17.2±8.4 |
| 2 | F | NNKx2 N | 18 | 15 | 15/15 (100.0) | 19.7±6.9e |
| 3 | M | NNKx2 CAST | 18 | 16 | 16/16 (100.0) | 14.3±6.2 |
| 4 | M | NNKx2 N | 18 | 15 | 15/15 (100.0) | 12.2±5.7 |
| 5 | F | NNKx1 OVX | 56 | 18 | 18/18 (100.0) | 18.2±7.6 |
| 6 | F | NNKx1 N | 56 | 12 | 12/12 (100.0) | 20.6±6.0f |
| 7 | M | NNKx1 CAST | 56 | 19 | 19/19 (100.0) | 12.1±4.6g |
| 8 | M | NNKx1 N | 56 | 14 | 14/14 (100.0) | 7.6±3.3 |
a
F, female; M, male; OVX, ovariectomy; CAST, castration; N, unoperated.
b
Weeks.
c
Number of mice examined.
d
Means ± standard deviation.
e
Significantly different from Group 4 by Welch’s t-test (P<0.05).
f
Significantly different from Group 8 by Welch’s t-test (P<0.001).
g
Significantly different from Group 8 by Student’s t-test (P<0.05).