Table 2:
Characteristics of suspected OA-OHCA vs non-suspected OA-OHCA
| Attribute | County A | County B | Combined | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| Suspected OA-OHCA n=32 | Non-suspected OA-OHCA n=165 | P-value | Suspected OA-OHCA n=75 | Non-suspected OA-OHCA n=107 | P-value | Suspected OA-OHCA n=107 | Non-suspected OA-OHCA n=276 | P-value | |
|
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| Age (mean±SD) | 44± 15 | 58 ± 20 | p<0.01 | 38 ± 11 | 58 ± 20 | p <0.01 | 39±13 | 58 ± 20 | p <0.01 |
|
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| Patient sex, n (%) | 31 (29) | 106 (39) | p=0.07 | ||||||
| Women | 11(35) | 60 (37) | p=0.91 | 20 (27) | 46 (43) | p=0.02 | |||
|
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| Location, n (%) | p<0.01 | ||||||||
| House/residence | 18(56) | 139(84) | p<0.01 | 55(73) | 100(93) | p<0.01 | 73 (68) | 239 (88) | |
| Place of recreation | 1(3) | 0 | 0 | 0 | 1 (1) | 0 (0) | |||
| Industrial | 0 | 1(1) | 0 | 0 | 0(0) | 1 (1) | |||
| Public/commercial building | 9(28) | 19(12) | 13(17) | 2(2) | 22 (21) | 21 (8) | |||
| Street/highway | 4(13) | 6(4) | 0 | 0 | 4 (4) | 6 (2) | |||
| Car/Vehicle | 0 | 0 | 2(3) | 2(2) | 2 (2) | 2 (1) | |||
| Unknown/Other | 0 | 0 | 5(7) | 3(3) | 5 (5) | 3 (1) | |||
|
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| Relationship to caller, n (%) | p<0.01 | ||||||||
| No Relationship | 11(34) | 24(15) | P=0.06 | 0 (0) | 1(1) | p<0.01 | 11 (10) | 25 (9) | |
| Other/Unclear | 8(25) | 39(24) | 21(28) | 20(19) | 29 (27) | 59 (22) | |||
| Significant other | 5(16) | 39 (24) | 7(9) | 31(29) | 12 (11) | 70 (26) | |||
| Family member | 6(19) | 56 (34) | 13(17) | 37(35) | 19 (18) | 93 (34) | |||
| Friend | 2(6) | 7(4) | 34(45) | 18(17) | 36 (34) | 25 (9) | |||
|
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| Time of day, n (%) | p=0.66 | ||||||||
| Day | 20(63) | 99(59) | p=0.79 | 32(43) | 40(37) | p=0.47 | 52 (49) | 139 (51) | |
| Night | 12(38) | 66(40) | 43(57) | 67(63) | 55 (51) | 133 (49) | |||
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| Bystanders with patient, n (%) | |||||||||
| none | 6(25) | 64(44) | p=0.17 | 33(44) | 44(41) | p=0.76 | 39 (39) | 108 (43) | p=0.74 |
| 1 or more | 14(58) | 68(47) | 40(53) | 58(54) | 54 (55) | 126 (50) | |||
| Unknown | 4(17) | 13(9) | 2(3) | 5(5) | 6 (6) | 18 (7) | |||
|
| |||||||||
| B-CPR, n (%) | -- | -- | -- | ||||||
| No | 20(63) | 79(48) | p=0.13 | 0 | 2(2) | p=0.23 | |||
| Yes | 12(38) | 86(52) | 75(100) | 104(98) | |||||