Research Article

Understanding Dynamic Status Change of Hospital Stay and Cost Accumulation via Combining Continuous and Finitely Jumped Processes

Table 1

Descriptive statistics of SPARCS 2013.

Characteristics Group N (%) Sample_N (%) LOS (SD) Sample_LOS (SD) Charge (SD) Sample_Charge (SD)

All Patients 2418874 (100) 5000 (100) 5.46 (8.11) 5.51 (8.16) 36931.77 (68973.47) 36861.8 (67053.64)

MDC 0.0 17.0 (0.0) 11.0 (24.69) 102910.82 (280754.64)
1.0 142651.0 (5.9) 298.0 (5.96) 5.7 (8.69) 5.01 (6.14) 46962.08 (83724.59) 41911.53 (50501.65)
2.0 4138.0 (0.17) 13.0 (0.26) 3.62 (5.18) 3.38 (1.89) 27185.04 (37576.18) 28478.72 (22611.85)
3.0 32743.0 (1.35) 72.0 (1.44) 3.59 (5.59) 2.81 (2.72) 29468.92 (50592.3) 22093.15 (20516.67)
4.0 206374.0 (8.53) 425.0 (8.5) 5.81 (7.64) 5.42 (6.99) 37165.6 (64478.26) 35254.34 (48416.02)
5.0 320765.0 (13.26) 655.0 (13.1) 4.78 (6.58) 4.68 (5.4) 50065.14 (84839.8) 48514.49 (67896.89)
6.0 211325.0 (8.74) 461.0 (9.22) 5.11 (6.63) 5.56 (7.16) 35785.32 (54820.39) 37176.32 (45615.65)
7.0 65928.0 (2.73) 116.0 (2.32) 5.6 (6.96) 4.91 (4.31) 42718.49 (78816.64) 34176.78 (38341.19)
8.0 201134.0 (8.32) 419.0 (8.38) 4.91 (5.95) 5.0 (5.35) 50655.45 (55819.15) 50609.01 (45334.44)
9.0 66120.0 (2.73) 136.0 (2.72) 4.6 (5.95) 5.07 (8.42) 28073.74 (37308.49) 28829.12 (29869.57)
10.0 74993.0 171.0 (3.42) 3.97 (5.83) 4.05 (4.72) 28568.47 (43837.41) 27236.6 (30456.03)
11.0 103597.0 (4.28) 221.0 (4.42) 5.43 (6.75) 5.09 (5.1) 36812.91 (53368.81) 33884.47 (38131.54)
12.0 11181.0 (0.46) 21.0 (0.42) 3.44 (6.27) 4.81 (10.56) 30593.31 (30945.72) 39233.29 (46533.28)
13.0 31682.0 (1.31) 57.0 (1.14) 3.13 (5.23) 2.47 (2.03) 28998.31 (33592.18) 31389.63 (20325.52)
14.0 257203.0 (10.63) 504.0 (10.08) 2.91 (2.54) 2.88 (2.47) 16435.92 (17226.17) 16714.7 (18104.7)
15.0 236599.0 (9.78) 439.0 (8.78) 3.78 (7.99) 4.06 (7.8) 17912.83 (85865.5) 18682.72 (72830.49)
16.0 37899.0 (1.57) 92.0 (1.84) 5.01 (6.87) 4.77 (3.79) 37100.38 (83604.25) 36537.56 (52336.47)
17.0 22289.0 (0.92) 55.0 (1.1) 9.57 (12.73) 9.38 (11.59) 87130.44 (139632.35) 81519.0 (128268.96)
18.0 108416.0 (4.48) 224.0 (4.48) 9.09 (10.7) 10.24 (15.07) 63423.77 (99592.33) 80804.11 (200106.77)
19.0 116683.0 (4.82) 245.0 (4.9) 12.94 (16.11) 12.62 (17.7) 34162.28 (57058.45) 32507.77 (49653.33)
20.0 75432.0 (3.12) 170.0 (3.4) 6.34 (7.45) 6.6 (7.65) 17400.15 (23797.61) 17228.44 (20575.0)
21.0 30203.0 (1.25) 71.0 (1.42) 4.29 (7.18) 4.77 (10.44) 31248.52 (64435.64) 33845.59 (75320.46)
22.0 1929.0 (0.08) 2.0 (0.04) 9.06 (13.5) 8.0 (2.83) 79337.2 (184652.6) 51080.31 (29187.33)
23.0 46924.0 (1.94) 106.0 (2.12) 10.87 (10.27) 11.18 (8.88) 46721.27 (52350.27) 45356.56 (37999.3)
24.0 8733.0 (0.36) 20.0 (0.4) 8.6 (11.36) 8.55 (8.81) 57383.57 (105543.15) 40839.06 (39649.57)
25.0 3916.0 (0.16) 7.0 (0.14) 10.77 (12.01) 11.0 (7.44) 103841.73 (118285.21) 73790.14 (54114.8)

Severity 0.0 40.0 (0.0) 6.35 (16.4) 47710.78 (186214.68)
1.0 881300.0 (36.43) 1760.0 (35.2) 3.09 (3.97) 3.02 (3.37) 20164.74 (25917.49) 20249.04 (23995.3)
2.0 929347.0 (38.42) 1939.0 (38.78) 4.96 (6.89) 5.16 (7.76) 30512.25 (37884.57) 30602.25 (38507.07)
3.0 479712.0 (19.83) 1048.0 (20.96) 7.73 (8.46) 7.57 (7.68) 51935.05 (65352.31) 51307.28 (61645.27)
4.0 128475.0 (5.31) 253.0 (5.06) 16.83 (18.2) 17.06 (18.36) 142361.38 (210806.88) 140564.83 (210012.56)

Mortality Extreme 106154.0 (4.39) 210 (4.2) 14.96 (16.66) 13.81 (15.11) 129939.83 (200746.65) 114408.34 (172257.11)
Major 311482.0 (12.88) 692 (13.84) 8.69 (10.14) 8.51 (9.96) 61247.22 (92604.92) 64073.56 (108815.34)
Minor 1482115.0 (61.27) 3007 (60.14) 4.03 (6.16) 4.02 (6.31) 24133.09 (33016.21) 23905.06 (31377.21)
Moderate 519083.0 (21.46) 1091 (21.82) 5.67 (7.03) 6.12 (7.96) 39863.27 (55375.06) 40386.64 (51083.0)