Table 2.
A summary of the epidemiological data from studies assessing the incidence, prevalence, and outcome of stroke in India
| Study and publication year | No. of cases of stroke identified | Imaging not available N (%) | Stroke type N (%) | Mean age (years) N (SD) | Female N (%) | Crude annual incidence/ 100,000 N (95% CI) | Sex-disaggregated incidence rate male/100,00 N (95% CI) | Sex-disaggregated incidence rate female/ 100,000 N (95% CI) | Age-adjusted incidence/ 100,000 N (95% CI) | Crude prevalence/ 100,000 N (95% CI) | Age-adjusted prevalence/ 100,000 N (95% CI) | One-month case fatality % (95% CI) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bhattacharya et al. 22 | 128 | NS | NS | 61 (NS) | 60 (47) | 124 (NS) | 124 (NS) | 123 (NS) | 108 (88–130) a | 618 (509–1707) a | NS | 18 (NS) |
| Das et al. 23 | 247 | 81 (33) | IS 108 (65) ICH 58 (35) | NS | 110 (45) | 123 (103–233) | 100 (75–130) | 149 (117–166) | 145 (120–175) | 472 (41–534) | 545 (479–617) | 41 (31–54) |
| Dalal et al. 29 | 456 | 0 (0) | IS 366 (80) ICH 81 (18) US 9 (2) | 66 (14) | 218 (48) | 145 (120–170) | 149 (120–170) | 141 (120–160) | 92 (74–113) a | 291 (264–318) a | NS | 30 (NS) |
| Sridharan et al. 28 | 541 | 169 (31) | IS 311 (84) ICH 43 (12) SAH 18 (4) | 67 (NS) | 279 (52) | 117 (NS) | 115 (NS) | 119 (NS) | 135 (123–146) | 58 (53–63) a | 135 (123–146) | 27 (NS) |
| Ray et al. 27 | 763 | NS | NS | NS | 341 (45) | 108 (88–131) | 113 (86–146) | 102 (75–136) | 141 (114–171) | 757 (702–817) a | NS | 42 (38–46) a |
| Pandian et al. 25 | 493 | NS | NS | 58 (15) | 185 (38) | NS | NS | NS | NS | 53 (48–57) a | NS | NS |
| Pandian et al. 26 | 3441 | 2122 (62) | IS 976 (74) ICH 290 (22) SAH 53 (4) | NS | NS | 140 (133–147) | 151 (141–161) | 106 (97–115) | 130 (123–137) | 323 (312–334) a | NS | 22 (21–23) a |
| Kaur et al. 24 | 4989 | 26 (0) | IS 3260 (66) ICH 1656 (33) CVT 47 (1) | 59 (15) | 1865 (37) | NS | NS | NS | NS | 26 (25–27) a | NS | NS |
| Singh et al. 30 | 596 | NS | NS | 62 (15) | 286 (48) | 172 (NS) | 170 (NS) | 173 (NS) | 209 (NS) | 229 (211–248) a | NS | NS |
NS: not stated; IS: ischemic stroke; ICH: intracerebral hemorrhage; CVT: cerebral venous thrombosis; NA: no scan available; US: unspecified stroke type; SD: standard deviation; CI: confidence interval.
a
Calculated manually based on information in article.