Table 2 Narrative summary of included studies
From: Epidemiology of dengue in SAARC territory: a systematic review and meta-analysis
Country | Reference | Study design | Sample size total (n) | Clinically suspected cases (n) | Laboratory-confirmed cases (n) | Age, yearsa | Distribution of patients by sex | Dengue infection according to DENV serotypes (n) | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Male (n) | Female (n) | DENV1 | DENV2 | DENV3 | DENV4 | |||||||
India | [10] | Prospective, cross-sectional | 398 | 398 | 150 | 35.5 ± 11.6 | 201/398 | 197/398 | 6/60 | 25/60 | 7/60 | 22/60 |
India | [11] | Retrospective, cross-sectional | 1593 | 1593 | 686 | 19 ± 17 | 968/1593 | 625/1593 | NA | NA | NA | NA |
India | [12] | Retrospective case–control | 50 | NA | 50 | NA | 29/50 | 21//50 | NA | NA | NA | NA |
India | [13] | Cross-sectional | 712 | 712 | 433 | NA | 370/712 | 342/712 | 191/433 | 115/433 | 89/433 | 38/433 |
Pakistan | [14] | Retrospective, cross-sectional | 482 | 482 | 172 | 25.9 ± 12.8 (confirmed cases only) | 96/172 | 76/172 | NA | NA | NA | NA |
India | [15] | Retrospective, cross-sectional | 3677 | 3677 | 503 | NA | NA | NA | NA | NA | NA | NA |
India | [16] | Cross-sectional | 948 | NA | 948 | NA | 671/948 | 277/948 | NA | NA | NA | NA |
India | [17] | Cross-sectional | 4370 | 4370 | 1700 | Â | 1046/1700 | 654/1700 | 33/55 | 1/55 | 0/55 | 0/55 |
India | [18] | Cross-sectional | 8138 | 8138 | 1600 | Â | NA | NA | NA | NA | NA | NA |
Sri Lanka | [19] | Cross-sectional | 1167 | NA | 1167 | 32.9 ± 15 | 773/1167 | 394/1167 | 0/32 | 28/32 | 4/32 | 0/32 |
Pakistan | [20] | Cross-sectional | 483 | 483 | 110 | NA | 70/110 | 40/110 | 0/17 | 5/17 | 2/17 | 10/17 |
India | [21] | Cross-sectional | 4366 | 4366 | 1802 | NA | 2653/4366 | 1713/4366 | NA | NA | NA | NA |
India | [22] | Retrospective, cross-sectional | 216 | NA | 216 | NA | 136/216 | 80/216 | NA | NA | NA | NA |
India | [23] | Cross-sectional | 4019 | 4019 | 886 | NA | 564/886 | 322/886 | 39/103 | 26/103 | 38/103 | 0/103 |
India | [24] | Cross-sectional | 1980 | 1980 | 733 | NA | 1335/1980 | 645//1980 | 140/733 (monotypic 63/656) | 488//733 (monotypic 411/656) | 185/733 (monotypic 182/656) | 0/733 |
Pakistan | [25] | Cross-sectional | 9493 | 9493 | 3504 | NA | 6858/9493 | 2635/9493 | NA | NA | NA | NA |
India | [26] | Retrospective, cross-sectional | 309 | 309 | 34 | NA | 208/309 | 101/309 | NA | NA | NA | NA |
India | [27] | Cross-sectional | 289 | 289 | 114 | NA | 84/114 | 30/114 | NA | NA | NA | NA |
India | [28] | Cross-sectional | 192 | 192 | 143 | NA | 102/192 | 90/192 | 0/5 | 0/5 | 2/5 | 3/5 |
Nepal | [29] | Cross-sectional | 283 | 283 | 28 | NA | 155/283 | 128/283 | NA | NA | NA | NA |
India | [30] | Prospective, observational | 182 | NA | 182 | 30 ± 12.6 | 125/182 | 57/182 | NA | NA | NA | NA |
Pakistan | [31] | Cross-sectional | 310 | NA | 310 | 32.67 ± 16.5 | 198/310 | 112/310 | NA | NA | NA | NA |
Nepal | [32] | Cross-sectional | 266 | 266 | 45 | NA | 169/266 | 97/266 | NA | NA | NA | NA |
India | [33] | Cross-sectional | 3312 | 3312 | 1107 | NA | 2054/3312 | 1258/3312 | NA | NA | NA | NA |
India | [34] | Cross-sectional | 4948 | 4948 | 735 | NA | 502/735 | 233/735 | 3/40 | 6/40 | 13/40 | 1/40 |
India | [35] | Cross-sectional | 2169 | 2169 | 412 | NA | 1356/2169 | 813/2169 | NA | NA | NA | NA |
India | [36] | Cross-sectional | 5536 | 5536 | 1536 | NA | NA | NA | 0/60 | 47/60 | 1/60 | 2/60 |
Pakistan | [37] | Cross-sectional | 612 | 612 | 319 | NA | 489/612 | 123/612 | NA | NA | NA | NA |
Sri Lanka | [38] | Cross-sectional | 295 | NA | 295 | NA | 153//295 | 142//295 | 0/225 | 219/225 | 3/225 | 3/225 |
Nepal | [39] | Cross-sectional | 1215 | 1215 | 403 | Median 29.5 (IQR 21.3:40.0) | 645/1215 | 570/1215 | 58/91 | 25/91 | 2/91 | 5/91 |
India | [40] | Cross-sectional | 1668 | 1668 | 302 | NA | 191/302 | 111/302 | NA | NA | NA | NA |
India | [41] | Prospective, observational | 313 | 313 | 137 | Median 36.0 (IQR 26.0:52.0) | 75/137 | 62/137 | NA | NA | NA | NA |
Pakistan | [42] | Retrospective (epidemic report) | 120,948 | 120,948 | 24,938 | 26 ± 19.8 | 16,294/24938 | 8664/24938 | NA | NA | NA | NA |
Pakistan | [43] | Retrospective, descriptive | 841 | NA | 841 | 31.3 ± 14.0 | 665/841 | 176/841 | NA | NA | NA | NA |
Bangladesh | [44] | Cross-sectional | 720 | NA | 69 | Median 12 (IQR 4:28) | 454/720 | 268/720 | NA | NA | NA | NA |
India | [45] | Retrospective, cross-sectional | 640 | 640 | 398 | NA | 380/640 | 260/640 | NA | NA | NA | NA |
India | [46] | Cross-sectional | 2502 | 2502 | 464 | NA | 268/464 | 196/464 | NA | NA | NA | NA |
Nepal | [47] | cross sectional | 239 | 239 | 70 | NA | 132/239 | 107/239 | NA | NA | NA | NA |
India | [48] | Retrospective, cross-sectional | 55 | NA | 55 | NA | 33/55 | 22/55 | NA | NA | NA | NA |
India | [49] | Cross-sectional | 536 | 536 | 112 | NA | 77/112 | 35/112 | NA | NA | NA | NA |
India | [50] | Retrospective, cross-sectional | 219 | 219 | 135 | 8.3 ± 3.5 | 77/135 | 58/135 | NA | NA | NA | NA |
Nepal | [51] | Cross-sectional | 198 | 198 | 42 | 45.75 ± 38.61 | 126/198 | 72/198 | 0/15 | 15/15 | 0/15 | 0/15 |
Sri Lanka | [52] | Prospective, observational | 108 | NA | 108 | 26.6 ± 9.9 | 64/108 | 44/108 | 1/7 | 1/7 | 5/7 | 0/7 |
India | [53] | Retrospective, cross-sectional | 5102 | 5102 | 1074 | NA | 664/1074 | 410/1074 | 0/3 | 1/3 | 0/3 | 0/3 |
Bangladesh | [54] | Cross-sectional | 319 | NA | 319 | 33 ± 14.07 | 223/319 | 97/319 | NA | NA | NA | NA |
India | [55] | Retrospective analysis | 900 | 900 | 461 | NA | 595/900 | 305/900 | NA | NA | NA | NA |
India | [56] | Cross-sectional | 1426 | 1426 | 423 | 19 ± 17 | 807/1417 | 610/1417 | NA | NA | NA | NA |
Nepal | [57] | Cross-sectional | 221 | 221 | 34 | NA | 126/221 | 95/221 | NA | NA | NA | NA |
Sri Lanka | [58] | Observational | 404 | NA | 183 | NA | 108/183 | 75/183 | NA | NA | NA | NA |
Pakistan | [59] | Cross-sectional | 5592 | NA | 5592 | NA | 3882/5592 | 1770/5592 | NA | NA | NA | NA |
India | [60] | Prospective, observational | 81 | NA | 81 | NA | 55/81 | 26/81 | NA | NA | NA | NA |
India | [61] | Retrospective | 62 | NA | 62 | 23.6 ± 3.53 | 0/62 | 62/62 | NA | NA | NA | NA |
India | [62] | Community-based, descriptive | 2125 | NA | 226 | NA | 932/2125 | 1193/2125 | NA | NA | NA | NA |
India | [63] | Retrospective | 858 | NA | 858 | NA | NA | NA | NA | NA | NA | NA |
Bhutan | [64] | Cross-sectional | 379 | 379 | 119 | 29 ± 2 | 192/379 | 187/379 | 53/58 | 3/58 | 2/58 | 0/58 |