The government's "Coronavirus Infection Control Subcommittee" has "the degree of medical tightness," "the number of medical treatments," and "positive PCR test" as indicators for determining which of the four stages that indicate the infection status. It shows five rates: "rate", "number of newly infected people", and "ratio of people whose infection route is unknown".
Of these, there are three items for "medical pressure": "bed usage rate," "hospitalization rate," and "bed usage rate for the severely ill."
According to the summary of the Cabinet Secretariat, Tokyo and Okinawa prefectures where emergency declarations have been issued as of 12th of this month, 4 prefectures to which "priority measures such as prevention of spread" are applied, and "prevention of spread, etc." until 11th of this month. In a total of 11 prefectures to which the "Priority Measures" were applied, there are several items that correspond to the most serious "Stage 4" in Tokyo and Okinawa.
Regarding the bed-related indicators, some local governments publish different values based on the "number of beds that can be immediately responded" that can be accepted immediately.
Medical pressure bed usage rate
First is the tightness of medical care.
As a guide, the bed usage rate is 20% or more for stage 3 and 50% or more for stage 4.
The usage rate of the entire sickbed is
▽ 32% in Tokyo
▽
35% in Okinawa
▽
25% in Saitama
▽
34% in Chiba
▽
30% in Kanagawa
▽
18% in Osaka
▽ 14% in Hokkaido
▽ Aichi 12% in
prefecture ▽
13% in Kyoto prefecture ▽ 13% in
Hyogo prefecture
▽ 10% in Fukuoka prefecture.
Medical pressure hospitalization rate
The standard hospitalization rate is 40% or less for stage 3 and 25% or less for stage 4.
Hospitalization rate is
▽ 32% in Tokyo
▽ 40% in Okinawa prefecture * Rounded off "40.5%"
▽ Not applicable to Saitama prefecture
▽ Not
applicable to
Chiba prefecture
▽ Not
applicable to
Kanagawa prefecture
▽
32% in Osaka prefecture
▽ In Hokkaido 47%
▽ Not applicable to Aichi prefecture ▽ Not applicable to
Kyoto prefecture
▽ Not
applicable to
Hyogo prefecture
▽ Not
applicable to
Fukuoka prefecture.
See the end of the sentence for "Not applicable".
Bed usage rate for people with severe medical pressure
As a guide, the bed usage rate for severely ill people is 20% or more in stage 3 and 50% or more in stage 4.
The bed usage rate for the severely ill is
▽ 43% in Tokyo
▽
59% in Okinawa
▽
14% in Saitama
▽
16% in Chiba
▽
19% in Kanagawa
▽
13% in Osaka
▽ 7% in Hokkaido
▽ 10% in Aichi prefecture ▽
5% in Kyoto prefecture
▽
12% in Hyogo prefecture ▽
4% in Fukuoka prefecture.
Number of recuperators
Next, the standard number of people receiving medical treatment is 20 or more in stage 3 and 30 or more in stage 4 per 100,000 population.
▽ 44 people in Tokyo
▽
43 people in Okinawa prefecture ▽
20 people in Saitama prefecture * Rounded off "19.5 people"
▽ 22 people in Chiba prefecture
▽
25 people in Kanagawa prefecture
▽
18 people in Osaka prefecture
▽ 12 people in Hokkaido
▽ Aichi 9 people in the
prefecture ▽
8 people in Kyoto prefecture ▽
6 people in Hyogo prefecture ▽
8 people in
Fukuoka prefecture.
Test positive rate
This is the positive rate of PCR tests for the last week.
As a guide, stage 3 is 5% or more, and stage 4 is 10% or more.
▽ 6.8% in Tokyo
▽
3.4% in Okinawa
▽
4.1% in Saitama
▽
5.6% in Chiba
▽
7.2% in Kanagawa
▽
1.4% in Osaka
▽ 2.5% in Hokkaido
▽
1.7% in Aichi
▽ Kyoto 2.7% in
Hyogo prefecture 2.6% in
Fukuoka prefecture 1.7%.
Number of newly infected people
As a guide, the number of newly infected people in the last week per 100,000 population is 15 or more in stage 3 and 25 or more in stage 4.
▽ 38 in Tokyo
▽
23 in Okinawa
▽
14 in Saitama
▽
19 in Chiba
▽
23 in Kanagawa
▽
12 in Osaka
▽ 7 in Hokkaido
▽
6 in Aichi
▽ Kyoto 7 people
▽ 5 people in Hyogo prefecture ▽
6 people in Fukuoka prefecture.
Percentage of people with unknown infection routes
Finally, the percentage of people whose infection route is unknown.
The standard value is 50% for both stage 3 and stage 4.
▽ 62% in Tokyo
▽
56% in Okinawa
▽
52% in Saitama
▽
59% in Chiba
▽
58% in Kanagawa
▽
69% in Osaka
▽ 49% in Hokkaido
▽
46% in Aichi
▽ Kyoto 48%
▽ 65% in Hyogo prefecture ▽
47% in Fukuoka prefecture.
The newly adopted "hospitalization rate" as an index is the ratio of those who have been hospitalized to all the recuperators.
As the number of patients with the new coronavirus increases, the number of patients who should be hospitalized but cannot be hospitalized and receive medical treatment at home or institution increases. Therefore, the lower the "hospitalization rate", the more patients cannot be accepted. In other words, medical care may be tight.
However, the government's "New Coronavirus Infectious Disease Control Subcommittee" does not apply in the following cases.
▽ When the number of medical treatment is less than 10 per 100,000 population.
▽ When the number of new positives who need to be hospitalized can be hospitalized by the day after the notification of the outbreak.
No stage judgment is made for these municipalities.