Frequencies for first 10,000 rows of los variable in nhamcsed2013 dataset :

  If admitted, |
length of stay |
   in hospital |
        (days) |      Freq.     Percent        Cum.
---------------+-----------------------------------
         Blank |        153        1.53        1.53
Not Applicable |      8,846       88.46       89.99
             1 |         86        0.86       90.85
             2 |        166        1.66       92.51
             3 |        187        1.87       94.38
             4 |        169        1.69       96.07
             5 |        111        1.11       97.18
             6 |         68        0.68       97.86
             7 |         42        0.42       98.28
             8 |         37        0.37       98.65
             9 |         23        0.23       98.88
            10 |         22        0.22       99.10
            11 |         16        0.16       99.26
            12 |         13        0.13       99.39
            13 |          8        0.08       99.47
            14 |          6        0.06       99.53
            15 |          7        0.07       99.60
            16 |          7        0.07       99.67
            17 |          8        0.08       99.75
            18 |          5        0.05       99.80
            20 |          3        0.03       99.83
            21 |          2        0.02       99.85
            22 |          2        0.02       99.87
            24 |          2        0.02       99.89
            25 |          2        0.02       99.91
            29 |          1        0.01       99.92
            32 |          3        0.03       99.95
            35 |          1        0.01       99.96
            38 |          2        0.02       99.98
            67 |          1        0.01       99.99
            96 |          1        0.01      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016