Table 1 Body and organ weights and incidences of existence of quartz in the lungs.

From: Single Intratracheal Quartz Instillation Induced Chronic Inflammation and Tumourigenesis in Rat Lungs

Group

Treatment

Experimental period (weeks)

Age at sacrifice (weeks)

No. of rats

Body weight (g)

Lung

Liver

Kidney

Incidences of existence of quartz in the lung (%)

Absolute (g)

Relative (%)

Absolute (g)

Relative (%)

Absolute (g)

Relative (%)

52w-quartz

Quartz i.t.

52

60

9(10)

385.5 ± 14.8

1.8 ± 0.3*

0.5 ± 0.1*

10.2 ± 0.7

2.6 ± 0.1

2.2 ± 0.1

0.6 ± 0.0*

100** (9/9)

52w-saline

Saline i.t.

52

60

6(6)

398.0 ± 17.3

1.5 ± 0.2

0.4 ± 0.1

10.7 ± 0.4

2.7 ± 0.1

2.1 ± 0.1

0.5 ± 0.1

0 (6/6)

96w-quartz

Quartz i.t.

95 or 96

103 or 104

21(26)

303.5 ± 63.4

3.5 ± 0.6**

1.3 ± 0.5

8.3 ± 1.7

2.8 ± 0.4

2.1 ± 0.2

0.7 ± 0.2

100** (21/21)

96w-saline

Saline i.t.

96

104

5(10)

321 ± 76.0

2.6 ± 0.9

0.8 ± 0.3

9.1 ± 1.9

2.8 ± 0.1

2.2 ± 0.1

0.7 ± 0.2

0 (5/5)

  1. *Denotes significant differences compared with the saline i.t. group (P < 0.05).
  2. **Denotes significant differences compared with the saline i.t. group (P < 0.01).
  3. The numbers between parentheses in the column ‘No. of rats’ indicate the original number of rats.
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