Frequencies for first 10,000 rows of los variable in nhamcsed2012 dataset :

  If admitted, |
length of stay |
   in hospital |
        (days) |      Freq.     Percent        Cum.
---------------+-----------------------------------
         Blank |        267        2.67        2.67
Not applicable |      8,883       88.83       91.50
             1 |         61        0.61       92.11
             2 |        157        1.57       93.68
             3 |        171        1.71       95.39
             4 |        127        1.27       96.66
             5 |        103        1.03       97.69
             6 |         60        0.60       98.29
             7 |         44        0.44       98.73
             8 |         29        0.29       99.02
             9 |         29        0.29       99.31
            10 |         12        0.12       99.43
            11 |         13        0.13       99.56
            12 |         10        0.10       99.66
            13 |          7        0.07       99.73
            14 |          4        0.04       99.77
            15 |          1        0.01       99.78
            16 |          1        0.01       99.79
            17 |          2        0.02       99.81
            18 |          2        0.02       99.83
            19 |          4        0.04       99.87
            20 |          2        0.02       99.89
            21 |          1        0.01       99.90
            22 |          2        0.02       99.92
            23 |          1        0.01       99.93
            24 |          1        0.01       99.94
            27 |          2        0.02       99.96
            28 |          1        0.01       99.97
            49 |          1        0.01       99.98
            67 |          1        0.01       99.99
            93 |          1        0.01      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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