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Table 1 Study characteristics

From: Current trends and geographical differences in therapeutic profile and outcomes of COVID-19 among pregnant women - a systematic review and meta-analysis

PMID Author Month Country N Age(y) GW BMI (kg/m2) DM HT Asthma Obesity ICU HLOS (days) Preterm
Case series
 32151335 Chen et al. [23] March China 9 33 37.1 NA NA NA NA NA 0 NA 4
 32186894 Liu et al. [24] March China 15 31.5 25 NA 1 0 0 0 NA NA 3
 32249918 Li et al. [25] March China 16 31.5 36.5 NA 3 3 0 0 0 14.5 13
 32285380 Liu et al. [26] March China 19 31 38 NA NA NA NA NA 0 NA 2
 32360108 Hantoushzadeh et al. [27] April Iran 9 37 43 27 1 0 0 1 9 NA 6
 32428964 London et al. [28] April USA 68 29.6 NA 30.25 7 2 2   1 14.5 9
 32696241 Chen et al. [29] April China 21 29 NA NA 3 0 0 0 0   
 32433453 Savasi et al. [30] May Italy 77 31.5 23 35.8 NA NA NA NA 14 NA 12
 32438521 Zeng et al. [31] May China 16 32.5 37 NA NA NA NA NA 0 NA 3
 32439389 Lokken et al. [32] May USA 46 30 27.4 NA 3 2 4 15 1 4.5 1
 32632417 San-Juan et al. [33] May Spain 32 32 29 NA 2 0 4 1 2 7.5 NA
 32641013 Zhang et al. [34] May China 18 29 38 NA NA NA NA NA 0 NA 3
 32553908 Sentilhes et al. [35] June France 54 30.6 30.4 25.3 0 1 5 4 4 4 NA
 32553910 Blitz et al. [36] June USA 43 29.5 35 30.9 1 0 2 5 13 16 1
 32633022 Prabhu et al. [37] July USA 70 31.6 38.6 31 6 11 6 12 1 3.6 11
 32633712 Vivanti et al. [38] July France 100 32.8 27 27.05 7 6 9 10 10 9.1 20
 32649784 Gabriel et al. [39] July Spain 42 33.6 37.6 NA NA NA NA NA 3 NA 9
 32682342 Sahin et al. [40] July Turkey 29 28.5 22 28 0 0 1 5 0 11 2
 32689846 Barbero et al. [41] July Spain 91 33.25 28 26.2 3 3 5 20 4 NA 8
 32701761 Emeruwa et al. [42] July USA 100 32 28 30.7 3 17 12 NA NA NA 13
 32743014 Xu et al. [43] July China 34 32.5 28 NA 2 1 0 0 1 10.6 5
 32776309 Oncel et al. [44] August Turkey 125 NA 34.5 NA 7 8 0 NA 8 6.5 33
 32760169 Nayak et al. [45] August India 141 25 35.5 NA 4 7 2 NA NA NA NA
Summary     1175 30.60 31.30 29.40 53 61 52 73 71 8.47 158
Case report
 32119083 Wang et al. [46] February China 1 28 30 NA NA NA NA NA 0 19 1
 32134381 Li et al. [47] March China 1 30 35 NA 0 0 0 0 0 15 1
 32161941 Wang et al. [48] March China 1 34 40 NA 0 0 0 0 0 18 0
 32182347 Fan et al. [49] March China 2 31.5 36.2 NA NA NA NA NA 0 20 1
 32222119 Chen et al. [50] March China 5 28 39.5 NA NA NA NA NA 0 NA 0
 32229802 Lee et al. [51] March Korea 1 35 37 NA NA NA NA NA 1 1 0
 32249471 Kalafat et al. [52] March Turkey 1 32 35 NA 0 0 0 0 1 9 1
 32249924 Gidlöf et al. [53] March Sweden 1 34 36 38 1 0 0 1 0 NA 2
 32279693 Khan et al. [54] March China 3 30 36.5 NA NA NA NA NA 0 NA 1
 32237670 Iqbal et al. [55] April USA 1 34 39 NA NA NA NA NA 0 6 0
 32305046 Alzamora et al. [56] April Peru 1 41 33 35 0 0 0 2 0 3 1
 32305459 Peng et al. [57] April China 1 25 35 NA NA NA NA NA 0 14 1
 32313302 Romero et al. [58] April Spain 1 44 29 NA 0 0 0 0 1 NA NA
 32330313 Lu et al. [59] April China 1 22 38 NA 0 0 0 0 0 16 0
 32330970 Browne et al. [60] April USA 1 33 23 NA 0 0 1 0 0 4 0
 32384385 Blauvelt et al. [61] April USA 1 34 28 NA 1 0 1 1 1 16 1
 32509416 Silverstein et al. [62] April USA 2 25.5 35 40 0 0 0 1 2 19 2
 32523874 AlZagha et al. [63] April Jordan 1 30 36 NA 0 0 0 0 0 11 1
 32369616 Li et al. [64] May China 1 31 35 NA 0 0 0 0 1 45 1
 32382516 Hong et al. [65] May USA 1 36 23 41.53 0 0 0 1 1 11 0
 32405454 Taghizadieh et al. [66] May Iran 1 33 34 NA 0 0 0 0 1 NA 1
 32425297 Cooke et al. [67] May UK 2 33.5 28 42 1 0 0 1 0 7 2
 32426242 Mehta et al. [68] May USA 1 39 27 NA 0 0 0 0 1 11 2
 32426243 Anderson et al. [8] May USA 1 35 22 NA 1 0 1 1 0 14 0
 32428290 Yu et al. [69] May China 1 35 34 NA 0 0 0 0 1 12 1
 32505514 Fontanella et al. [70] May   2 34 35.5 43 1 0 0 0 0 3.5 0
 32606133 Grimminck et al. [71] June Netherlands 1 31 38 NA 0 1 0 0 0 1 0
 32618794 Naqvi et al. [72] June USA 1 35 22 28 1 1 1 0 1 9 0
 32702930 Zheng et al. [73] June China 2 31 37.5 NA 0 0 0 0 2 28.5 1
 32716009 Douedi et al. [74] June USA 3 23 29.5 NA NA NA NA NA 3 9 3
 32740456 Marzollo et al. [75] June Italy 1 29 38 NA 0 0 0 0 1 18 0
 32667391 Reis et al. [76] July Brazil 3 29.5 34 NA 0 0 0 0 3 18 2
 32675129 Oliva et al. [77] July USA 1 35 29 NA 1 0 0 NA 1 15 1
 32704477 Richtmann et al. [78] July Brazil 5 32 25.5 27.7 0 0 0 2 0 NA 0
 32714844 Kolkova et al. [79] July Sweden 1 27 32 57 1 0 0 1 1 31 1
 32715804 Soleimani et al. [80] July Iran 1 30 21 36 0 0 0 1 1 31 0
 32723092 Easterlin et al. [81] July USA 1 22 23 NA NA NA NA NA 1 28 1
 32754425 Chong et al. [82] July USA 1 41 32 35.6 0 0 0 1 1 12 1
 32784239 Ahmed et al. [83] July UK 1 26 37 25 1 1 0 0 0 7 0
 32773854 Chhabra et al. [84] May India 1 28 38 31.5 1 0 0 0 0 22 0
 32784234 Figueiredo et al. [85] July Portugal 1 35 39 NA 0 0 0 0 0 15 0
 32788159 Federici et al. [86] August France 1 33 23.5 NA 0 1 0 NA 1 19 1
 32791731 Peng et al. [87] June China 1 33 38 NA NA NA NA NA 0 5 0
Summary     64 31.10 32.72 35.80 10
(23.3)
4
(9.3)
4
(9.3)
12
(29.3)
27 (43.5) 14.6
(9.0)
32
(50.8)
  1. PMID PubMed identifier, N number of subjects, GW gestational age measured in weeks, BMI body mass index, DM diabetes mellitus, HT hypertension, ICU intensive care unit, HLOS hospital length of stay, NA not available, UK United Kingdom, USA United States of America