Table 2 Demographic data of participants

All subjects

Successful sampling

Treatment

Placebo

Ketorolac

Placebo

Ketorolac

Placebo

100 μg

150 μg

200 μg

Placebo

Ketorolac

Number

24

20

19

10

20

18

19

18

15

13

Age

20.4 ± 3.9

19.0 ± 2.4

19.9 ± 3.3

20.0 ± 2.7

22.9 ± 5.4

20.1 ± 3.6

22.0 ± 4.9

22.4 ± 5.4

19.3 ± 3.5

18.9 ± 2.8

Gender M/F

7/17

5/15

3/15

1/8

15/5

12/6

9/10

9/9

8/7

8/5

Race

White

18

14

12

6

15

12

13

14

13

10

African

3

3

3

2

1

4

2

2

--

2

Others

3

3

3

1

4

2

4

2

2

1

Difficulty*

3.5 ± 0.6

3.5 ± .05

3.5 ± 0.6

3.5 ± 0.5

2.95 ± 0.8

3.2 ± 0.9

3.4 ± 0.8

3.3 ± 0.7

7.3 ± 0.9

7.2 ± 0.9

Rescue Medicine

14 (58%)

6 (30%)

11 (61%)

3 (33%)

N/A

N/A

N/A

N/A

9 (60%)

5 (38%)