Table:
period
men
women

hazard ratio
95% confidence interval
hazard ratio
95% confidence interval

from
to
from
to

1991- to-1996
1.50
1.38
1.62
2.08
1.90
2.27

1997-to-2001
1.65
1.53
1.77
2.01
1.85
2.18

2002-to-2006
1.71
1.60
1.83
2.18
2.03
2.34

Reconstruct the table in the presented picture as an HTML-style table in text.

<table border="1" cellspacing="0">
<tr> <td rowspan="3"> period </td> <td colspan="3"> men </td> <td colspan="3"> women </td> </tr>
<tr> <td rowspan="2"> hazard ratio </td> <td colspan="2"> 95% confidence interval </td> <td rowspan="2"> hazard ratio </td> <td colspan="2"> 95% confidence interval </td> </tr>
<tr> <td> from </td> <td> to </td> <td> from </td> <td> to </td> </tr>
<tr> <td> 1991- to-1996 </td> <td> 1.50 </td> <td> 1.38 </td> <td> 1.62 </td> <td> 2.08 </td> <td> 1.90 </td> <td> 2.27 </td> </tr>
<tr> <td> 1997-to-2001 </td> <td> 1.65 </td> <td> 1.53 </td> <td> 1.77 </td> <td> 2.01 </td> <td> 1.85 </td> <td> 2.18 </td> </tr>
<tr> <td> 2002-to-2006 </td> <td> 1.71 </td> <td> 1.60 </td> <td> 1.83 </td> <td> 2.18 </td> <td> 2.03 </td> <td> 2.34 </td> </tr>
</table>