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. 2023 Nov 8;95(1):33–52. doi: 10.1007/s11126-023-10057-4

Table 2.

Observed vs. predicted number of monthly presentations to Victorian EDs for common MH conditions Apr to Oct 2020 (COVID-19)

Dementia Delirium
Observed Predicted (95% PI) Difference Relative difference (%) Observed Predicted (95% PI) Difference Relative difference (%)
Apr-20 58 87 (68, 110) -29 -33.3 219 310 (275, 353) -91 -29.4
May-20 78 88 (65, 112) -10 -11.4 295 313 (276, 355) -18 -5.8
Jun-20 72 89 (67, 114) -17 -19.1 271 316 (278, 363) -45 -14.2
Jul-20 82 90 (66, 116) -8 -8.9 317 320 (275, 373) -3 -0.9
Aug-20 71 91 (67, 120) -20 -22.0 266 323 (280, 376) -57 -17.6
Sep-20 73 92 (69, 120) -19 -20.7 312 327 (282, 380) -15 -4.6
Oct-20 77 93 (68, 121) -16 -17.2 276 330 (285, 383) -54 -16.4
Mean -17 -18.9 -40 -12.7
Alcohol related disorders Substance abuse
Observed Predicted (95% PI) Difference Relative difference (%) Observed Predicted (95% PI) Difference Relative difference (%)
Apr-20 543 824 (751, 908) -281 -34.1 509 565 (501, 636) -56 -9.9
May-20 738 830 (754, 917) -92 -11.1 630 569 (509, 635) 61 10.7
Jun-20 808 837 (751, 919) -29 -3.5 610 572 (502, 634) 38 6.6
Jul-20 645 843 (755, 932) -198 -23.5 560 576 (505, 642) -16 -2.8
Aug-20 623 850 (757, 942) -227 -26.7 538 580 (511, 653) -42 -7.2
Sep-20 718 857 (774, 959) -139 -16.2 539 583 (514, 659) -44 -7.5
Oct-20 830 864 (767, 963) -34 -3.9 605 587 (513, 661) 18 3.1
Mean -143 -17.0 -6 -1.0
Schizophrenia/delusional disorders Mood disorders
Observed Predicted (95% PI) Difference Relative difference (%) Observed Predicted (95% PI) Difference Relative difference (%)
Apr-20 639 768 (708, 839) -129 -16.8 483 777 (707, 866) -294 -37.8
May-20 824 770 (700, 848) 54 7.0 670 781 (701, 877) -111 -14.2
Jun-20 803 772 (704, 844) 31 4.0 715 784 (699, 880) -69 -8.8
Jul-20 755 774 (692, 846) -19 -2.5 658 788 (700, 886) -130 -16.5
Aug-20 828 776 (703, 859) 52 6.7 665 792 (699, 901) -127 -16.0
Sep-20 833 778 (702, 857) 55 7.1 669 795 (705, 911) -126 -15.8
Oct-20 810 780 (702, 864) 30 3.8 722 799 (697, 913) -77 -9.6
Mean 11 1.3 -133 -17.0
Anxiety disorders Eating disorders
Observed Predicted (95% PI) Difference Relative difference (%) Observed Predicted (95% PI) Difference Relative difference (%)
Apr-20 962 990 (916, 1069) -28 -2.8 18 28 (18, 41) -10 -35.7
May-20 1034 993 (921, 1067) 41 4.1 30 28 (17, 40) 2 7.1
Jun-20 1050 997 (925, 1079) 53 5.3 24 28 (17, 40) -4 -14.3
Jul-20 935 1001 (920, 1074) -66 -6.6 43 28 (18, 41) 15 53.6
Aug-20 1005 1004 (927, 1081) 1 0.1 35 28 (16, 41) 7 25.0
Sep-20 1061 1008 (917, 1096) 53 5.3 48 28 (18, 42) 20 71.4
Oct-20 1051 1012 (928, 1096) 39 3.9 45 28 (17, 42) 17 60.7
Mean 13 1.3 7 24.0
Personality disorders Self-harm
Observed Predicted (95% PI) Difference Relative difference (%) Observed Predicted (95% PI) Difference Relative difference (%)
Apr-20 106 121 (97, 147) -15 -12.4 576 599 (549, 654) -23 -3.8
May-20 119 120 (97, 147) -1 -0.8 559 599 (542, 658) -40 -6.7
Jun-20 107 120 (96, 144) -13 -10.8 577 599 (542, 658) -22 -3.7
Jul-20 118 120 (96, 145) -2 -1.7 605 599 (541, 651) 6 1.0
Aug-20 128 120 (96, 147) 8 6.7 613 599 (544, 656) 14 2.3
Sep-20 119 120 (94, 147) -1 -0.8 638 599 (539, 661) 39 6.5
Oct-20 182 119 (94, 147) 63 52.9 703 599 (539, 657) 104 17.4
Mean 6 4.7 11 1.9
Development/behavioural disorders
Observed Predicted (95% PI) Difference Relative difference (%)
192 248 (218, 283) -56 -22.6
211 251 (219, 287) -40 -15.9
227 255 (223, 288) -28 -11.0
197 258 (223, 297) -61 -23.6
193 261 (226, 301) -68 -26.1
218 265 (231, 305) -47 -17.7
212 268 (228, 309) -56 -20.9
-51 -19.7