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Table 1 Severity of illness and outcomes of COVID-19 in included studies

From: Clinical features and outcomes of COVID-19 in older adults: a systematic review and meta-analysis

Author name n Severe Critical Death Discharged
Bhatraju, P K et al. 18 .. .. 9 1
Bialek, S et al. 278 .. 64 35 ..
Burrer, S et al.a 238 .. .. 10 ..
Burrer, S et al.a 219 .. 35 .. ..
Catellani, F et al. 16 .. .. 7 ..
Chen, T (a) 55 48 24 19 36
Chen, T (b) 153 .. .. 94 ..
Chow, N et al. 715 .. 232 .. ..
Du, R-H et al. 65 .. .. 17 ..
Feng, Y et al. 118 45 25 18 87
Fernández-Ruiz, M et al. 15 3 .. 5 6
Grasselli, G et al. 958 .. .. 322 111
Grein, J et al. 18 .. .. 7 ..
Guan, W-J et al. 153 44 32 .. ..
Kang, Y-J et al. 1825 .. .. 67 ..
KCDC 1679 .. .. 58 ..
Li, J et al. 259 135 .. 65 194
Lian, J et al. 136 33 13 0 31
Liu, K et al. 18 4 .. 1 17
Liu, Y et al. 85 .. .. 9 76
Lodigiani, C et al. 22 .. 4 7 11
Mehta, V et al. 138 .. .. 49 ..
Nikpouraghdam, M et al. 1164 .. .. 160 ..
Pereira, M R et al. 43 19 .. .. ..
Richardson, S et al.a 3368 .. .. 466 959
Richardson, S et al.a 2582 .. 613 .. ..
Russell, TW et al. 200 .. .. 7 ..
Tian, S et al. 48 20 .. 2 ..
Wang, D et al. 36   .. 16 20
Wang, L et al. 339 239 80 65 91
Yang, R et al. 62 .. .. 17 ..
Yao, Q et al. 17 9 .. 6 ..
Yu, X et al. 107 21 .. .. ..
Zhang, G et al. (a) 17 7 7 4 ..
Zhang, G et al. (b) 62 24 .. .. ..
Zhang, J et al. 315 246 67 19 ..
Zhang, L et al. 19 11 11 .. ..
Zhang, Y T et al. 312 114 36 6 ..
Zhao, X-Y et al. 16 8 .. .. ..
  1. aData for critical illness was not available for all patients; KCDC Korea Centers for Disease Control and Prevention, ICU Intensive care unit