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. 2021 May 9;120:S86–S94. doi: 10.1016/j.jfma.2021.05.002

Table 1.

Estimated transition probability of clinical management model in Italy-Lombardy.

Date Susceptible → Quarantine in Hospital (PSQ2) Quarantine in Hospital → Recovery (PQ2R) Quarantine in Hospital → ICU (PQ2I) ICU → Death (PID) TIR for hospitalization (ρH) TIR for ICU (1/ρI) Predicted number of beds needed (per week) Predicted number of ICU beds needed (per week)
Period I (3 Mar.-30 Jun. 2020)
3-7 Mar. 14.7% (12.6%,16.8%) 6.7% (6.1%,7.4%) 3.4% (2.2%,4.7%) 9.4% (7.7%,11.4%) 2.2 (1.9,2.6) 2.9 (1.9,4.3) 2289 (2251,2302) 469 (442,498)
8-14 Mar. 20.2% (18.9%,21.5%) 4.1% (3.9%,4.3%) 4.1% (3.5%,4.6%) 19.9% (18.6%,21.2%) 5.0 (4.6,5.4) 4.9 (4.4,5.6) 4715 (4674,4755) 887 (857,916)
15-21 Mar. 19.9% (19.0%,20.8%) 4.2% (4.1%,4.3%) 4.1% (3.8%,4.4%) 28.0% (27.0%,28.9%) 4.8 (4.5,5.0) 6.8 (6.4,7.3) 8072 (8024,8120) 1717 (1680,1754)
22-28 Mar. 20.2% (19.4%,21.1%) 3.6% (3.5%,3.6%) 4.0% (3.8%,4.2%) 30.4% (29.7%,31.2%) 5.7 (5.4,5.9) 7.6 (7.2,8.0) 11939 (11875,12008) 2330 (2291,2370)
29 Mar.-4 Apr. 19.4% (18.7%,20.0%) 3.2% (3.2%,3.3%) 3.9% (3.7%,4.0%) 30.3% (29.7%,30.9%) 6.0 (5.8,6.2) 7.9 (7.5,8.2) 12275 (12230,12325) 2375 (2345,2406)
5-11 Apr. 17.0% (16.5%,17.6%) 2.9% (2.8%,2.9%) 3.7% (3.6%,3.9%) 28.5% (28.0%,29.1%) 5.9 (5.7,6.1) 7.6 (7.4,7.9) 12688 (12640,12737) 2050 (2027,2075)
12-18 Apr. 14.2% (13.9%,14.6%) 2.5% (2.4%,2.5%) 3.6% (3.5%,3.7%) 27.7% (27.2%,28.1%) 5.8 (5.6,6.0) 7.8 (7.5,8.0) 11529 (11487,11573) 1651 (1634,1667)
19-25 Apr. 12.3% (12.0%,12.6%) 2.4% (2.4%,2.5%) 3.5% (3.4%,3.6%) 27.3% (26.9%,27.7%) 5.0 (4.9,5.2) 7.9 (7.6,8.1) 9695 (9660,9730) 1287 (1274,1299)
26 Apr.-2 May 10.6% (10.4%,10.8%) 2.2% (2.2%,2.2%) 3.5% (3.4%,3.5%) 27.1% (26.7%,27.5%) 4.8 (4.7,5.0) 7.8 (7.6,8.1) 7705 (7674,7738) 952 (944,961)
3-9 May 9.7% (9.5%,9.9%) 2.5% (2.5%,2.5%) 3.4% (3.3%,3.5%) 27.0% (26.6%,27.4%) 3.9 (3.8,4.0) 8.0 (7.7,8.2) 6435 (6413,6458) 734 (727,741)
10-16 May 8.6% (8.5%,8.8%) 2.5% (2.5%,2.5%) 3.3% (3.3%,3.4%) 27.1% (26.7%,27.5%) 3.4 (3.4,3.5) 8.1 (7.9,8.3) 5478 (5458,5499) 553 (548,559)
17-23 May 7.8% (7.6%,7.9%) 2.5% (2.5%,2.5%) 3.3% (3.2%,3.4%) 27.2% (26.9%,27.6%) 3.1 (3.1,3.2) 8.3 (8.0,8.5) 5271 (5247,5296) 445 (440,449)
24-30 May 7.3% (7.2%,7.4%) 2.6% (2.6%,2.6%) 3.3% (3.2%,3.3%) 27.2% (26.8%,27.6%) 2.8 (2.8,2.9) 8.4 (8.2,8.6) 4369 (4352,4385) 380 (376,384)
31 May-6 Jun. 6.9% (6.8%,7.0%) 2.6% (2.6%,2.6%) 3.2% (3.2%,3.3%) 27.2% (26.8%,27.5%) 2.7 (2.6,2.7) 8.5 (8.3,8.7) 4122 (4102,4142) 292 (289,295)
7-13 Jun. 6.6% (6.5%,6.7%) 2.6% (2.6%,2.6%) 3.2% (3.1%,3.2%) 27.2% (26.9%,27.6%) 2.5 (2.5,2.6) 8.6 (8.4,8.8) 3195 (3181,3209) 233 (230,235)
14-20 Jun. 6.2% (6.1%,6.3%) 2.7% (2.7%,2.7%) 3.2% (3.1%,3.2%) 27.3% (26.9%,27.6%) 2.3 (2.3,2.4) 8.6 (8.5,8.9) 2098 (2089,2108) 149 (147,150)
21-30 Jun. 5.5% (5.5%,5.6%) 2.8% (2.8%,2.8%) 3.2% (3.1%,3.2%) 27.3% (26.9%,27.6%) 2.0 (2.0,2.0) 8.6 (8.4,8.8) 521 (517,525) 41 (41,41)
Period II (1 Jul.-30 Sep. 2020)
1 Jul.-30 Sep. 0.1% (0.1%,0.1%) 2.6% (2.6%,2.6%) 3.2% (3.1%,3.2%) 27.0% (26.6%,27.3%) 0.04 (0.03,0.04) 8.5 (8.3,8.7) 24 (23,25) 4 (4,4)
Period III (1 Oct.-8 Dec. 2020)
1 Oct.-8 Dec. 0.7% (0.7%,0.8%) 3.4% (3.3%,3.4%) 3.1% (3.0%,3.1%) 24.7% (24.4%,25.0%) 0.22 (0.21,0.23) 8.1 (7.9,8.3) 617 (616,618) 106 (105,106)