Years | Severe illness rate | Mortality rates | Case-severity rates | Severity−fatality rate | Case−fatality rates | Severity-PICU admission rates | Severity-hospitalization rates |
---|---|---|---|---|---|---|---|
Year | |||||||
 2009 | 4.60(4.14–5.10) | 0.08(0.03–0.16) | 4205(3783–4661) | 17,000(6889–35,350) | 71.47(28.97–148.60) | 33,990(18420–57,790) | 892,400(797800–995,100) |
 2010 | 16.69(15.79–17.60) | 0.27(0.17–0.41) | 1488(1408–1571) | 16,290(10350–24,480) | 242.40(154.10–364.20) | 44,220(33810–56,880) | 918,500(867300–972,000) |
 2011 | 25.97(24.86–27.12) | 0.24(0.15–0.37) | 1779(1703–1858) | 9300(5765–14,250) | 165.50(102.60–253.60) | 60,210(50250–71,580) | 882,500(842500–924,000) |
 2012 | 18.57(17.64–19.54) | 0.14(0.07–2.42) | 1268(1205–1334) | 74,908(3943–13,030) | 95.09(50.00–165.30) | 79,070(65630–94,490) | 909,300(861500–959,600) |
 2013 | 10.42(9.72–11.15) | 0.05(0.02–0.12) | 8559(7990–9158) | 4848(1541–11,700) | 41.05(13.19–100.10) | 167,300(141100–197,000) | 865,500(803700–930,700) |
 2014 | 20.73(19.75–21.75) | 0.08(0.03–0.16) | 9848(9380–10,330) | 3645(1477–7582) | 35.90(14.55–74.66) | 84,450(71260–99,390) | 925,300(879700–972,600) |
 2015 | 4.66(4.20–5.15) | 0.01(0.00–0.06) | 3903(3520–4315) | 2695(134.9–13,290) | 10.52(0.52–51.88) | 70,080(46750–101,200) | 946,100(850900–1,049,000) |
Total | 14.54(14.22–14.86) | 0.12(0.10–0.16) | 10,520(10290–10,760)(10,290–10,760) | 8506(6657–10,720) | 242.40(154.10–364.20) | 76,430(70550–82,680) | 903,700(883000–924,700) |
P value | p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 |
Regions | |||||||
 Southern | 25.81(25.14–26.49) | 0.11(0.07–0.16) | 13,290(12950–13,640) | 4294(2815–6292) | 57.08(37.42–83.63) | 4920(43640–55,280) | 912,500(887700–937,800) |
 Central | 3.41(3.08–3.75) | 0.05(0.02–0.11) | 2764(2502–3046) | 15,110(6126–31,430) | 41.77(16.93–86.89) | 73,050(49850–103,500) | 856,400(768900–951,200) |
 Northern | 9.26(8.87–9.68) | 0.18(0.13–0.24) | 10,270(9828–10,730)) | 18,920(13580–25,710) | 194.40(139.50–264.00) | 152,900(136500–170,700) | 888,400(847900–930,400) |
p value | p < 0.001 | p < 0.05 | p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 |
Age groups | |||||||
 < 6 months | 27.52(21.83–34.25) | 0.00(0.00–0.00) | 14,350(11390–17,870) | 0.00(0.00–0.00) | 0.00(0.00–0.00) | 157,900(85550–268,400) | 868,400(677100–1,098,000) |
 6-11 months | 313.9(293.5–335.4) | 7.24(4.55–10.99) | 11,280(10550–12,050) | 23,070(14490–34,990) | 260.30(163.50394.90) | 144,200(120500–171,200) | 899,700(838200–964,500) |
 12-23 months | 502.1(484.3–520.5) | 5.43(3.18–7.58) | 14,200(13690–14,720) | 10,820(7529–15,090) | 153.70(106.90–214.30) | 81,500(71690–92,300) | 905,600(871800–940,400) |
 24-35 months | 304.4(290.3–318.9) | 1.57(0.77–2.88) | 11,350(10820–11,890) | 5161(2517–9470) | 58.56(28.56–107.50) | 59,630(48790–71,960) | 897,400(853700–942,700) |
 36-47 months | 222.6(210.5–235.3) | 1.44(0.67–2.74) | 8933(8446–9442) | 6472(3006–12,290) | 57.82(26.85–109.80) | 58,250(45920–72,930) | 904,500(852700–958,700) |
 48-59 months | 114.8(106.1–124.00) | 0.00(0.00–0.00) | 7172(6628–7749) | 0.00(0.00–0.00) | 0.00(0.00–0.00) | 41,270(27530–59,610) | 907,900(835800–984,700) |
 ≥60 months | 0.93(0.85–1.02) | 0.00(0.00–0.00) | 5413(4946–5911) | 0.00(0.00–0.00) | 0.00(0.00–0.00) | 64,050(44290–89,800) | 919,400(836900–1,008,000) |
P value | p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 | P > 0.05 |
Gender | |||||||
 Male | 18.62(18.12–19.13) | 0.18(0.13–0.23) | 11,140(10840–11,450) | 9492(7100–12,450) | 105.80(79.11–138.70) | 78,460(71090–86,390) | 905,500(879800–931,700) |
 female | 10.39(10.01–10.78) | 0.07(0.04–0.11) | 9552(9206–9909) | 6709(4159–10,280) | 64.09(39.73–98.22) | 72,740(63300–83,200) | 900,400(866000–935,900) |
P value | p < 0.001 | p < 0.001 | P > 0.05 | P > 0.05 | p < 0.001 | P > 0.05 | P > 0.05 |