Table 2

Length of stay statistics for hospital discharges—for each sentinel diagnosis

Test for trend
ICD-9-GMDescriptionStatistics1989199019911992199319941995199619971998z/tp Value
8052Fracture of the vertebral column without mention of spinal cord injury: dorsal (thoracic), dosed
N208246217219256277285286245253
Interpolated median6.287.406.916.006.395.525.325.414.824.24−6.34<0.001
Geometric mean6.627.437.035.846.325.515.475.535.765.27−6.21<0.001
%3+ days80.884.186.679.078.175.574.073.471.469.2−5.72<0.001
%4+ days72.672.875.670.368.864.663.964.362.457.3−5.31<0.001
%7+ days49.053.753.047.549.241.939.646.241.232.4−5.28<0.001
%14+ days26.933.725.824.228.120.221.121.021.220.6−3.88<0.001
8054Fracture of the vertebral column without mention of spinal cord injury: lumbar, dosed
N251286277304273354330339347322
Interpolated median9.009.108.617.217.327.397.046.407.166.72−5.46<0.001
Geometric mean8.438.558.137.057.086.787.156.326.886.42−5.77<0.001
%3+ days91.290.288.888.585.782.281.878.880.778.0−6.79<0.001
%4+ days83.782.283.478.378.873.275.868.472.971.1−5.94<0.001
%7+ days62.961.263.554.954.254.853.949.653.051.2−4.43<0.001
%14+ days33.935.731.426.629.327.729.428.628.226.7−2.500.013
8082Fracture of the pelvis: pubis, dosed
N250267295251308319338440442425
Interpolated median16.1713.3313.7513.9413.9315.3112.1711.7511.9113.21−3.220.001
Geometric mean12.499.7511.0111.7511.4011.1610.349.939.799.92−3.460.001
%3+ days93.292.993.992.892.291.893.292.091.490.4−1.780.075
%4+ days90.486.189.890.488.089.388.886.485.784.5−2.570.010
%7+ days78.069.774.975.375.376.271.370.970.469.4−2.490.013
%14+ days55.649.850.851.451.054.547.645.245.749.2−2.500.012
81201Fracture of humerus: upper end, dosed—surgical neck
N144138184173166213205235256282
Interpolated median6.676.506.837.117.935.446.785.306.835.70−1.360.175
Geometric mean7.887.477.077.338.456.207.836.597.796.94−1.600.110
%3+ days71.571.071.776.975.372.376.170.674.270.9−0.140.892
%4+ days65.365.962.565.968.763.869.863.067.662.8−0.140.886
%7+ days50.750.051.153.255.445.551.245.151.247.2−1.160.246
%14+ days34.033.332.639.338.026.831.726.431.329.8−1.980.047
82009Fracture of neck of femur: transcervical fracture, dosed—other
N8137958078458859421102114911491201
Interpolated median18.4217.6417.7217.2416.2217.7616.4615.5815.6615.17−9.60<0.001
Geometric mean17.2816.6716.2916.0614.8415.8014.5713.8113.5513.34−10.42<0.001
%3+ days99.099.699.498.999.599.699.399.499.299.30.160.877
%4+ days97.998.598.097.097.498.097.097.797.097.5−1.550.120
%7+ days91.489.389.688.487.389.288.086.786.685.2−4.71<0.001
%14+ days68.361.362.563.158.563.758.756.856.355.6−6.51<0.001
82020Fracture of neck of femur: pertrachonteric fracture, closed—trachonteric section unspecified
N138113111119122121119131130115
Interpolated median22.5023.0015.6719.0017.0017.4013.3313.0016.8313.67−5.10<0.001
Geometric mean17.7716.7013.9914.2913.4013.1111.2211.2711.3810.34−5.79<0.001
%3+ days97.195.698.295.098.494.290.893.993.887.8−3.440.001
%4+ days94.992.093.791.695.191.786.690.886.987.0−2.980.003
%7+ days86.285.080.284.980.381.077.377.974.671.3−3.62<0.001
%14+ days61.668.158.665.559.060.349.648.954.650.4−3.48<0.001
82021Fracture of neck of femur: pertrachonteric fracture, closed—intertrachonteric section
N74071472178982581893910099881055
Interpolated median22.7524.4322.1821.4620.1919.5020.3819.7819.5418.45−9.66<0.001
Geometric mean20.2520.4019.4217.9817.9016.6317.4316.7015.9215.82−10.13<0.001
%3+ days99.799.799.999.799.599.199.499.599.499.6−1.550.120
%4+ days98.498.998.399.098.497.898.498.697.898.5−1.010.315
%7+ days93.291.691.490.791.490.591.190.088.488.9−3.93<0.001
%14+ days73.674.670.767.369.166.068.465.862.964.3−6.64<0.001
8208Fracture of neck of femur: unspecified part of neck of femur, closed
N416409526535419388265269275227
Interpolated median22.6025.5524.4422.3320.3118.7716.1817.9216.5814.25−11.41<0.001
Geometric mean21.0121.8920.8619.1516.8115.3814.3313.8714.0312.16−12.17<0.001
%3+ days98.399.099.098.398.198.597.498.997.598.2−1.280.200
%4+ days97.498.598.597.695.996.695.194.896.096.0−3.350.001
%7+ days93.393.293.290.788.886.184.281.883.377.1−8.94<0.001
%14+ days75.575.874.973.869.063.458.961.357.152.0−9.71<0.001
82101Fracture of other and unspecified parts of femur: shaft, closed
N453417385382321384429412401390
Interpolated median19.5817.5513.9312.9012.6411.4210.5411.1711.3910.21−9.85<0.001
Geometric mean15.2114.5412.3811.5410.7210.849.8810.019.868.87−9.71<0.001
%3+ days96.598.395.696.195.395.395.395.195.892.8−3.020.003
%4+ days92.993.092.292.189.791.790.789.188.585.9−4.330.000
%7+ days83.283.280.076.771.771.469.070.968.868.2−7.95<0.001
%14+ days61.159.252.248.447.043.041.744.441.440.0−8.67<0.001
82300Fracture of tibia and fibula: upper end closed—tibia alone
N279277278259262265293284346354
Interpolated median7.646.716.356.346.197.236.475.305.545.54−3.74<0.001
Geometric mean6.776.266.446.775.846.926.575.945.655.83−3.170.002
%3+ days83.985.981.381.175.285.781.977.579.275.7−3.140.002
%4+ days77.876.574.173.765.376.274.765.569.166.7−3.88<0.001
%7+ days55.251.348.948.648.553.649.843.743.442.9−3.61<0.001
%14+ days24.722.419.422.422.126.825.621.517.9203−1.220.222
8911Open wound of knee, leg (except thigh), and ankle: complicated
N439436447429491589632524405418
Interpolated median6.025.706.335.624.815.324.564.413.893.23−9.82<0.001
Geometric mean6.015.786.245.745.455.504.944.824.573.92−9.84<0.001
%3+ days82.578.779.278.874.382.575.672.168.161.5−7.67<0.001
%4+ days70.267.067.867.660.966.661.658.053.645.7−8.58<0.001
%7+ days47.647.249.445.740.142.137.337.036.828.7−7.60<0.001
%14+ days26.724.128.424.023.219.918.416.415.312.2−7.66<0.001