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. 2023 Jun 1;3:100227. doi: 10.1016/j.ssmmh.2023.100227

Table 2.

OLS Regressions Models with Hospital Fixed Effects and no case-mix controls.

(1) Admissions (2) Discharges (3) Net Admissions (4) Length of Stay at Discharge (5) Bed Days (6) Occupied Beds (7) Patients with Outpatient Appt (8) Total Outpatient Appointments
March 2020 −6.70 71.05*** −77.73*** −3.42 −766.67* −23.16* −5.06 −15.16
(-30.08,16.68) (37.67,104.42) (-103.30,-52.16) (-9.18,2.35) (-1424.05,-109.29) (-44.36,-1.96) (-12.57,2.46) (-59.88,29.55)
April −18.55 −11.75 −6.77 13.64 −2708.19*** −90.80*** −3.98 744.33**
(-45.70,8.61) (-40.05,16.54) (-17.24,3.70) (-4.47,31.75) (-3580.14,-1836.23) (-119.82,-61.77) (-11.52,3.56) (275.52,1,213.13)
May 0.91 −29.97* 30.96*** −4.52 −2428.66*** −76.71*** 2.30 952.10**
(-25.92,27.74) (-54.54,-5.41) (20.42,41.49) (-13.24,4.19) (-3292.27,-1565.06) (-104.65,-48.77) (-5.10,9.70) (406.15,1,498.06)
June 19.82 −3.54 23.16*** −6.69* −1664.10*** −55.84*** 9.62* 1467.72**
(-9.80,49.45) (-30.47,23.39) (12.80,33.53) (-11.79,-1.60) (-2552.18,-776.02) (-85.30,-26.39) (1.03,18.21) (409.80,2,525.63)
July 20.04 6.42 13.64* −2.77 −1011.80* −31.07* 11.61* 1549.48**
(-10.41,50.49) (-23.22,36.05) (1.74,25.55) (-9.38,3.84) (-1969.52,-54.07) (-62.04,-0.10) (2.33,20.89) (436.86,2,662.10)
August 12.67 −11.50 24.23*** −24.41*** −494.00 −14.32 7.34 1226.36**
(-23.49,48.83) (-45.91,22.91) (11.99,36.47) (-31.34,-17.48) (-1505.45,517.45) (-47.03,18.40) (-4.65,19.33) (426.46,2,026.27)
September 12.35 12.82 −0.45 −23.12*** −150.47 −5.54 6.70 998.23**
(-29.11,53.81) (-30.94,56.57) (-7.81,6.92) (-31.13,-15.11) (-1199.48,898.54) (-40.43,29.36) (-7.00,20.40) (269.48,1,726.97)
October 6.65 −0.57 7.30 −21.55*** −156.70 −3.44 4.68 1014.63***
(-25.99,39.30) (-35.48,34.34) (-2.85,17.45) (-29.65,-13.45) (-1178.37,864.96) (-36.52,29.65) (-5.00,14.35) (488.95,1,540.31)
November −8.92 −20.86 11.95* −21.10*** 78.52 2.09 −0.46 815.62***
(-35.79,17.94) (-46.94,5.22) (1.96,21.95) (-28.09,-14.12) (-982.94,1,139.98) (-33.19,37.38) (-7.45,6.52) (379.74,1,251.50)
December −0.06 −6.58 6.53 −16.94*** 355.43 13.04 3.38 935.33**
(-26.64,26.51) (-35.16,22.00) (-1.73,14.79) (-24.03,-9.86) (-698.26,1,409.13) (-21.15,47.22) (-3.24,10.00) (389.58,1,481.08)
January 2021 −2.71 −12.87 10.18 −17.55*** 517.05 18.51 8.32 978.15**
(-40.69,35.28) (-47.06,21.33) (-3.72,24.08) (-25.70,-9.39) (-597.37,1,631.48) (-17.66,54.69) (-4.35,21.00) (420.26,1,536.05)
February 16.22 1.55 14.69** −15.69*** 838.60 27.56 19.11* 1481.36***
(-22.81,55.25) (-39.07,42.18) (5.76,23.61) (-23.49,-7.89) (-279.72,1,956.92) (-11.44,66.55) (1.33,36.90) (710.28,2,252.45)
March 18.14 20.66 −2.50 −17.89*** 1117.70 38.15 25.23** 2233.21**
(-19.10,55.38) (-27.26,68.59) (-22.81,17.82) (-26.26,-9.52) (-182.47,2,417.88) (-4.01,80.31) (6.81,43.65) (897.49,3,568.92)
Year Trend −0.73 0.27 −1.01** 1.87** −649.56*** −21.48*** −1.10 −6.96
(-5.47,4.02) (-4.37,4.92) (-1.64,-0.38) (0.51,3.24) (-936.19,-362.92) (-30.93,-12.03) (-3.76,1.56) (-23.98,10.05)
Jan FE −2.12 1.27 −3.38 0.85 77.13 2.75 0.53 1.94
(-11.25,7.02) (-14.92,17.46) (-14.16,7.40) (-1.68,3.38) (-100.66,254.92) (-3.05,8.55) (-2.57,3.63) (-13.73,17.61)
Feb FE −14.52*** −14.93* 0.41 −1.47 −865.90*** −0.28 −3.55** −14.82*
(-21.82,-7.23) (-26.91,-2.96) (-10.70,11.52) (-4.07,1.14) (-1081.52,-650.29) (-3.78,3.22) (-6.09,-1.02) (-27.47,-2.18)
Apr FE −7.19 −6.72 −0.47 2.53 −322.59*** 0.18 −0.33 6.07
(-17.37,2.99) (-23.60,10.16) (-11.03,10.08) (-0.88,5.95) (-470.37,-174.81) (-5.18,5.53) (-3.18,2.51) (-5.32,17.46)
May FE 2.98 2.13 0.80 2.22 52.59 1.64 2.24 16.95
(-8.08,14.05) (-14.85,19.11) (-8.30,9.89) (-2.64,7.07) (-176.25,281.42) (-5.73,9.00) (-1.87,6.35) (-8.68,42.58)
Jun FE 1.05 3.07 −2.02 1.20 −267.72* 2.02 2.91 20.31
(-9.83,11.92) (-14.93,21.07) (-11.12,7.08) (-3.31,5.71) (-497.24,-38.21) (-5.84,9.87) (-0.95,6.77) (-1.52,42.15)
Jul FE 3.78 4.30 −0.52 −0.54 −24.10 −0.78 3.22 13.65
(-8.06,15.62) (-14.16,22.76) (-10.74,9.70) (-2.97,1.90) (-262.09,213.90) (-8.45,6.90) (-0.44,6.88) (-0.86,28.16)
Aug FE −1.74 −0.04 −1.74 −1.45 −51.63 −1.71 2.64 6.58
(-12.73,9.25) (-17.42,17.33) (-12.16,8.69) (-4.60,1.69) (-316.59,213.34) (-10.26,6.83) (-0.56,5.84) (-7.88,21.05)
Sept FE −6.01 −2.96 −3.06 1.29 −430.83** −3.43 1.58 10.87
(-17.52,5.49) (-20.15,14.24) (-12.92,6.80) (-0.91,3.49) (-705.97,-155.69) (-12.41,5.55) (-2.36,5.51) (-5.00,26.73)
Oct FE 0.94 2.58 −1.70 2.45 −170.19 −5.54 3.64 17.02
(-10.73,12.61) (-14.22,19.37) (-10.46,7.06) (-0.45,5.36) (-465.65,125.28) (-15.06,3.99) (-0.43,7.71) (-4.81,38.86)
Nov FE −6.85 −0.24 −6.61 3.46* −581.19*** −8.44 0.15 5.66
(-18.42,4.72) (-19.37,18.88) (-17.23,4.02) (0.63,6.29) (-850.47,-311.90) (-17.05,0.16) (-3.90,4.19) (-9.96,21.28)
Dec FE −10.90* −6.64 −4.26 −0.70 −518.36*** −16.72*** −2.73 −7.20
(-21.56,-0.24) (-23.08,9.80) (-14.35,5.83) (-3.66,2.27) (-735.55,-301.17) (-23.73,-9.72) (-6.16,0.69) (-23.36,8.96)
Constant 1652.15 −372.79 2036.55** −3725.95** 1320343.29*** 43,648.65*** 2268.54 14,213.67
(-7919.52,11,223.83) (-9741.30,8,995.72) (769.83,3,303.27) (-6475.93,-975.97) (742,077.29,1898609.30) (24,585.95,62,711.36) (-3094.70,7,631.78) (-20,121.20,48,548.54)
Hospital FE
YES
YES
YES
YES
YES
YES
YES
YES
N 2019 2023 2019 1981 2019 2019 2019 2019
R2 Adjusted 0.0135 0.0302 0.1543 0.1374 0.3528 0.3458 0.0243 0.2633
R2 Within 0.0258 0.0422 0.1648 0.1483 0.3608 0.3539 0.0364 0.2724
R2 Between
0.1366
0.0000
0.0000
0.0331
0.0957
0.1059
0.0670
0.0774



Joint Significance 1st Lockdown
28.19 (−120,177)
20.69 (−120,162)
7.49 (−32,47)
−28.17 (−63,7)
−9073.42*** (−13643,-4503)
−291.89*** (−441,-142)
21.83 (−21,65)
5924.83** (2,231,9,618)



Joint Significance Whole Period 69.86 (−293,432) 15.85 (−342,372) 55.19* (2, 108) −162.01*** (−243,81) −6473.28*** (−17588,4,642) −201.51 (−567,163) 88.79 (−20,198) 14381.36*** (7,131,21,631)

***p < 0.001, **p < 0.01, *p<0.05%.

95% Confidence intervals in parenthesis. Clustered standard errors. Greyed rows represent the first English lockdown.